一族

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2021年9月24日 (金) 21:30時点におけるGnagaoka (トーク | 投稿記録)による版 (→‎Marriage acceptance)
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図はCrusader Kings IIIにおける家族関係を示したものです。

この図では、破線で指定されていないかぎり、すべての子供は、合法的で近親婚ではない一夫一婦制の婚姻によって作成されると想定しています。親が1人しか存在しない親子関係では、欠落している親に特別なローカライズ(?)は行われません。

すべての関係は、ユーザーを基準にしています。括弧内の名前は、キャラクターの上にマウスポインタを置いたときに、特に名前が付いたりはしません。

ソース:
game\common\customizable_localization\00relations.txt
game\localization\english

キャラクターの一族(Family)は近親と縁戚の2つの関係者から構成されます。キャラクターの祖父母、両親、兄弟姉妹 (異母兄弟を含む) 、子供、孫は近親者(Close Family) と見なされ、叔父、叔母、従兄弟、甥、姪は 大家族(Extended Family)と見なされます。大抵の場合、一族のほとんどは同じ王朝に属しています。

親または兄弟が65歳未満で死亡した場合、キャラクターは ストレスを獲得します。

評価補正

同じ王朝内の人物、特に近親者には 評価ボーナスがあります。しかしこのボーナスは公の関係に絞られ、秘密にしている家族関係にはボーナスを与えません[1]。キャラクターが別のキャラクターと複数の関係を持つシナリオでは、関連のあるすべての補正が適用されることに注意してください。

他のキャラクターとの関係 評価
親-親 +50
兄弟(異母兄弟を含む) +25
配偶者(二次配偶者を含む) +25
同じ王朝 +5

婚姻

婚姻(Marriage)とは、個人的な関係で2人の異性の間[2]の法的な共同体です。婚姻できるのは16歳以上のキャラクターだけです。どちらかのキャラクターが若すぎる場合は、両方の当事者が成人するまで、パートナー候補の2人が婚約することがあります。[3]

配偶者、側室(concubines)、配偶者で多産なものは嫡出子(legitimate children)を持つことができます。普通、婚姻した子供は父親の家に属します。しかし、母系制(matrilineal marriage)では、母親の家から子どもが生まれます。また、婚姻は他のキャラクターとの 同盟の一つの方法でもあります。

宗派の教義(faith's doctrines)は、ある人物が誰と婚姻するか、何人の正式なパートナーを持つか、そして婚姻が離婚に終わるかどうかに影響します。

  • 男妾(consorts)、側室(concubines)婚姻の教義は、支配者が配偶者とともに最大3人の配偶者を持つことを認めています。男妾、側室から生まれた子は、 男妾/側室の子 特性を得ます。婚姻とは異なり、側室は同盟をもたらす事はありません。ただし、男妾や側室は離婚することなく自由に破棄することができます。
  • 近親婚主義近親婚を合法とします。
  • 婚姻は離婚の教義の法理に従って終了することができます。離婚の対象者は、元配偶者との間に −25の評価「(私と離婚した)」を50年間、相手の近親者との間に −5の評価「(私の近親者と離婚した)」を5年間得ます。離婚した人物は再婚することがあります。

複婚

複婚の教義においては、キャラクターは1人の配偶者と婚姻することができ、支配者(教義「性に関する見解」に依存)はさらに3人までの二次配偶者(secondary spouses)を持つことができます。もし2人の既婚の支配者が複婚の教義を持っていて、ジェンダー教義によってそうすることが許されるなら、彼らはそれぞれ複数の配偶者を持つかもしれません。「男女平等」の教義では、もう一方の支配者が1人以上の配偶者をもつことについての制限は存在しません。

「単婚」教義を持つ任意の配偶者は −40の評価「(一夫一婦制ではない)」を被ることになります。以前に一夫多妻(例えば、二次配偶者が離婚した)であった一夫一婦制の配偶者については、 −20の評価「(他の配偶者を持つことで婚姻を冒涜した)」を20年間得ることになります。任意の一夫一婦制の近親者も同様に −20の評価補正を被ることになります。「男妾/側室」の教義あるいは複婚の信条を持つ配偶者は同様の罰則を被りません。婚姻をセットアップする際、複婚を信じでおらず複婚の一部となるような婚約者(prospective spouses)はの婚姻の受け入れペナルティを被ります[4]

支配者が各々の称号ランクにおいて期待される配偶者の数に達していない場合は、欠落している配偶者の数1人に対して、月当たり 敬虔値−0.5のペナルティを受けます。[5]

称号レベル 期待される配偶者
所領なし(庶民) 1
 男爵 1
 伯爵 1
 公爵 2
 王 3
 皇帝 4

婚姻の受け入れ

AIキャラクターとの婚姻を成功させるためには、プレイヤーは婚姻者からの婚姻の受け入れ得点が少なくとも+1に達していなければなりません。以下は、婚姻の受け入れに影響する可能性のあるすべての条件を含むリストです:[6]


条件 婚姻の受け入れ
弱いフック +100
強いフック +200もしくは自動的に受諾する
パーク「有望な展望」
  • +50 (自らに)
  • +25 (一族の一員)
パーク「王朝の栄光」 +30
私達の結婚を手配した −15
プレイヤーの後継者(heir)である
  • +20 (第一後継者)
  • +10 (他の後継者)
同盟を望む さまざま
同盟を望まない −100
上方婚(Marrying up) 称号ランクの違いごとに +30
下方婚(Marrying down)
  • 称号ランクの違いごとに −30 (AIが王の場合)
  • 称号ランクの違いごとに −40 (AIが王ではない場合)
評価
  • 婚姻者の 評価1に対して +0.25(小数点切り捨て)
  • 婚姻申し入れ者の 評価 1に対して+0.75(小数点切り捨て)
「恋人たちの幸せを願っている」 +15
AIの属性値「慈悲」(compassion)が0以上でありかつ婚姻者は互いに愛し合っている AIの属性値「慈悲」1に対して+0.25
候補者(Candidate)は庶民
  • −20
  • −120(受諾者自身が庶民でない場合)
候補者の栄光(Splendor)レベル +(栄光レベル×5-5)
不正な婚姻(父系制/母系制) さまざま
異なる宗派
  • −10
  • −25 (堕落あるいは敵対的であるとみなされている宗派)
  • −1000 (邪悪であるとみなされている宗派)
宗派に一夫多妻の原則も一夫多妻の教義もないかつ、婚姻者が一夫多妻の結婚に属する −1000
年齢を考慮 さまざま
The marriage will have Low Fertility この婚姻は低い生殖力を持つだろう[7] さまざま
重要ではない廷臣 +10
重要な廷臣 −10
婚姻者は受領者の子どもたちの親だ −25
プレイヤーはAIの主君だ
  • +40 (一般には)
  • +60 (主君と結婚)
貴重な請求者(Claimant ) −50
AIの称号の1つに対する請求者 −50
脅迫(Intimidated) さまざま
畏怖(Terrified) さまざま
AIにとってキャラクターは大切だ さまざま
この婚姻は近親婚になる −1000
受領者の年齢 +(受領者の年齢− 20)
配偶者である評議員-ブーストされた子供もしくは後継者
  • +50
  • +75 (後継者の場合)

Adultery

Having a lover outside of marriage creates a Secret adultery.png Lover secret. If it is revealed, it may result in the two lover characters gaining the Fornicator and Adulterer traits, depending on the faith's / adultery doctrines. Children known to be born out of wedlock gain Bastard (trait), or Wild Oat if their faith has the No Bastards bastardry doctrine. If a bastard successfully becomes landed, they gain the Bastard founder trait.

Incest

Incest is sexual activity between family members. A faith's Consanguinity doctrine determines the legality of incestuous marriage. Characters having an incestuous relation that would not be allowed in marriage gain the Is Incestuous secret, and if exposed the Incestuous trait. Any form of incestuous relation, legal or not, may risk producing inbred offspring.

The Divine Marriage tenet provides bonuses to incestuous marriages.

Relatives are harder to seduce unless the target character's Faith accepts such an incestuous relation or the seducer has the Subtle Desire perk ( Seducer tree).

Trait inheritance

Congenital traits can be inherited by a character's offspring. Although congenital traits must be visible (active) to provide stat bonuses and other effects, a character may also carry recessive (inactive) traits which are invisible, yet can still be inherited by one's children.[8]

There are some traits that are inherited by children, but do not use the active/inactive inheritance mechanic. In the context of this section, the term congenital trait excludes such traits. It also does not include traits that are non-genetic, yet inheritable.

Chance of active inheritance

The chances of inheriting a congenital trait as an active trait is based on what version (active or inactive) the parents have:[9]

Mother
Father
None Inactive Active
None 0% 2% 25%
Inactive 2% 10% 50%
Active 25% 50% 80%

Chance of inactive inheritance

If the child does not inherit actively, there is a chance that they will inherit the trait as an inactive trait instead:[9]

Mother
Father
None Inactive Active
None 0% 25% 75%
Inactive 25% 50% 100%
Active 75% 100% 150%

General logic for trait with tiers inheritance

  1. Start from highest trait
  2. Calculate active chance. Lower tiers ( including inactive ) count as inactive of the tier. Each level down beyond the first multiplies chance by a define
  3. If active, use it; DONE
  4. Otherwise, go down a tier, if inactive pretend 1 more parent has that tier active, otherwise 1 more parent has it inactive.GOTO 2

When trying to inherit a tiered genetic trait, and the other person has one of lower tier, we pretend that means they've got the higher tier one recessively, and reduce the chance of inheritance by 20% per tier further down than 1 the other parent's trait is.

When going down a tier, add 40%.[9]

List of congenital traits

The table below contains all genetic traits that use the inheritance mechanism as described above.[10][11] This list does not contain traits such as  Sayyid, which can be inherited from a character's non-biological parent (in the case of secret bastards), or  Inbred which uses a custom inheritance chance. The natural prevalence column denotes the likelihood of any character being born with the trait if it is not inherited from their parents. For every trait with natural prevalence, the same value can be assumed for random prevalence (i.e. for generated characters).[10] Note that some traits cannot be inherited at the same time since they are incompatible; such traits are indicated if they belong in the same group.

Trait Natural prevalence (%) Group Notes
 Melancholic (genetic variant) 0.5 - If inherited on birth, it is initially hidden.[12]
 Lunatic (genetic variant) 0.5 - If inherited on birth, it is initially hidden.
 Possessed (genetic variant) 0.5 - If inherited on birth, it is initially hidden.
 Homely 0.5 Beauty
 Ugly 0.25 Beauty
 Hideous 0.15 Beauty
 Comely 0.5 Beauty
 Pretty / Handsome 0.25 Beauty
 Beautiful 0.15 Beauty
 Slow 0.5 Intelligence
 Stupid 0.25 Intelligence
 Imbecile 0.05 Intelligence
 Quick 0.5 Intelligence
 Intelligent 0.25 Intelligence
 Genius 0.05 Intelligence
 Delicate 0.5 Physique
 Frail 0.25 Physique
 Feeble 0.15 Physique
 Hale 0.5 Physique
 Robust 0.25 Physique
 Amazonian / Herculean 0.15 Physique
 Fecund 0 at birth[13], unknown for generation Fertility
 Club-footed 0.5 - Also gained via inbreeding.
 Hunchbacked 0.5 - Also gained via inbreeding.
 Lisping 0.5 -
 Stuttering 0.5 -
 Dwarf 0.5 Stature Also gained via inbreeding.
 Giant 0.5 Stature Also gained via inbreeding.
 Spindly 0.5 Physique (incompatible with good traits) Also gained via inbreeding.
 Scaly 0.5 - Also gained via inbreeding.
 Albino 0.5 -
 Wheezing 0.5 - Also gained via inbreeding.
 Bleeder 0.5 - Also gained via inbreeding.
 Barren / Sterile 0.5 Fertility Also gained via inbreeding.

List of other inherited traits

こちらも参照: Descendant traits

The following list contains all other traits that use a separate inheritance mechanic. For entries without a chance to inherit value for both parents, assume the value for single parent.

Trait Chance to inherit (%) Notes
Single parent Both parents
 Great Pox 10 -
 Lover's Pox 10 -
 Pure-blooded 15 75 Gained initially through inbreeding.
 Inbred 15 - Gained initially through inbreeding.
 Sayyid 100 - Only inherited from apparent father.
 Saoshyant /  Saoshyant Descendant 100 - When parent has  Saoshyant,  Saoshyant Descendant is inherited instead.[14]
 Paragon /  Consecrated Blood 100 - When parent has  Paragon,  Consecrated Blood is inherited instead.
 The Savior /  Divine Blood 100 - When parent has  The Savior,  Divine Blood is inherited instead.

Inbreeding

Inbreeding is the process of two related characters having children together. For these purposes, related characters are those who share a common ancestor. Such children can be born with negative congenital traits even if neither parent has them, or the Inbred trait in advanced cases. However, there is a small chance for the child to gain the  Pure-blooded trait instead.

In the first generation, small-scale incest such as cousin marriage may not have a massive immediate impact. Nonetheless, repeated instances over successive generations may have an accumulative effect through negative inherited traits and a narrowed gene pool.

Chance of inbreeding

A line graph showing chance of inbreeding based on common ancestors.

The chance of a child being considered inbred can be found from the product of the following:[15]

Common ancestors

The more common ancestors two parents have within four generations (up to their great-great grandparents, and including themselves), the more likely their children will be inbred.[16] Some potential incestuous marriages are noted below. The value provided for common ancestors assumes that ancestors were otherwise non-incestuous and monogamous. Cousins are not removed. Additionally, the value is relative to the breeding couple.

Relation Common ancestors Explanation
Full siblings 30 (maximum possible) By definition, (full) siblings share parents, and thus by extension all other ancestors. The maximum amount of shared ancestors from n generations can be found from [math]\displaystyle{ \text{Max Shared Ancestors} = 2 ^ {n + 1} - 2 }[/math], thus being 30 from 4 generations. Or, written out, full siblings share both parents (2), two sets of grandparents (4), four sets of great grandparents (8) and eight sets of great-great grandparents (16).
Parent-child 15 In the case of a partner being the other partner's ancestor, they are counted as a common ancestor.[17] As a result, the common ancestors are the following (perspective is child/parent): parent/self (1), one set of grandparents/both parents (2), two sets of great-grandparents/standard grandparents (4), four sets of great-great grandparents/great grandparents (8). Note that the parent's great-great grandparents are the child's 3×-great grandparents, and are therefore not counted.
Half siblings 15 They share one parent, and therefore share only half of the maximum amount of ancestors. Alternatively, they share one parent (1), one set of grandparents (2), two sets of great grandparents (4) and four sets of great-great grandparents (8).
First cousins 14 First cousins share grandparents (2), two sets of great grandparents (4) and four sets of great-great grandparents (8).
Uncle-niece/aunt-nephew 14 Similar to first cousins, but rather than sharing grandparents, the sibling's grandparents are the uncle/aunt's parents. Note that since the uncle/aunt's great-great grandparents are the sibling’s 3×-great grandparents, who are 5 generations away from the sibling’s perspective, they are not counted.
Second cousins 6 Second cousins share one set of great grandparents (2) and two sets of great-great grandparents (4).
Third cousins 2 Third cousins share one set of great-great grandparents.

Inbreeding factor

The inbreeding factor for a given amount of common ancestors can be found through the following:[9]

Common ancestors Factor Chance before modifiers
0-14 0.33 Between 0% and 4.62%
15-16 0.75 Between 11.25% and 12%
17-19 1 Between 17% and 19%
20-21 2 Between 40% and 42%
22-30 3 Between 66% and 90%

Effect of Pure-blooded on inbreeding

The Pure-blooded trait provides −50% chance of inbreeding per parent. If two parents have the Pure-blooded trait, this effect combines to no chance of gaining traits due to inbreeding. Note that this excepts the chance of gaining the Pure-blooded trait naturally, as well as the inheritance of such traits via parents. It is unknown whether the Pure-blooded trait has an effect on gaining the Inbred trait.[12]

Traits gained from inbreeding

The following traits may be gained from inbreeding. Note that these general inbred traits may also be gained naturally and are congenital. Offspring only have a chance to gain these traits as a result of inbreeding if their parents do not possess any of these traits (plus the  Inbred trait).[18] The traits below appear equally likely.[12]

  •  Barren / Sterile
  •  Scaly
  •  Club-footed
  •  Wheezing
  •  Spindly
  •  Giant
  •  Hunchbacked
  •  Bleeder
  •  Dwarf

Additionally, there are two traits that may only be gained initially through inbreeding and have special requirements: Inbred and Pure-blooded.

Inbred

The  Inbred trait may be inherited from one's parents. It may also be gained if a character with a general inbred trait has children with someone with whom they share a common ancestor.[18] The chance of gaining the Inbred trait as a result of this is unknown. Note that even with highly incestuous marriages, no children will gain the Inbred trait if the parents do not possess any of the enabling traits.[12]

Pure-blooded

The Pure-blooded trait may be inherited from one's parents. Otherwise, it may be gained naturally. Similar to the chance of inbreeding, the chance of gaining the  Pure-blooded trait naturally is based on the number of common ancestors, multiplied by the corresponding level factor for that amount of common ancestors:[9]

The inbreeding traits overwrite the  Pure-blooded trait, thus the chance for a child to have the  Pure-blooded trait by gaining it naturally is equal to the chance of not getting an inbreeding trait multiplied by the chance to get the  Pure-blooded trait. This chance is maximized at 22 common ancestors for a value of 2.24%.

Common ancestors Factor Final chance Chance after Inbred roll
0-19 0 0% 0%
20-21 0.15 Between 3% and 3.15% Between 1.8% and 1.83%
22-30 0.3 Between 6.6% and 9% Between 2.24% and 0.9%

As a result, parents must have at least 20 common ancestors for a child to gain the  Pure-blooded trait naturally. This does not apply to inheriting it from parents.

References

  1. 訳者注:CK2では内部的には「Real Father」として保持されていましたが、Ck3ではどうかわかりませんでした。また「Real Mather」のような人物は存在しないと思われます。
  2. 訳者注:Ck2では同性婚がModで可能?だったようなので、Ck3でも可能かもしれません
  3. 訳者注:婚約は解消することもあります
  4. 訳者注:意味の捉え方に自信なし
  5. game\common\defines\00_defines.txt, PIETY_LOSS_PER_MISSING_SPOUSE = 0.5, DESIRED_SPOUSES_PER_TIER = { 1 1 1 2 3 4 }
  6. game\common\scripted_modifiers\00_marriage_scripted_modifiers.txt, marriage_ai_accept_modifier
  7. 訳者注:特性(trait)の影響?
  8. "[Genetic traits are] visible, though characters can also carry recessive traits... those are not visible, but can be inherited by their offspring!" rageair's reply in CK3 Dev Diary #7 - Characters & Portraits thread
  9. 9.0 9.1 9.2 9.3 9.4 common\defines\00_defines.txt, NChildbirth
  10. 10.0 10.1 common\traits\00_traits.txt
  11. "[If genetic = yes, the trait's] inheritance will follow the following rules: The trait can be inactive. Children can inherit the trait from both active and inactive parent traits. [...] An active trait is inherited with 100% chance, an inactive trait with a 50% chance. If the trait is successfully inherited from both parents, it becomes active. [...] If it's inherited only from one parent, it's inactive." Developer comments in common\traits\_traits.info
  12. 12.0 12.1 12.2 12.3 Pure-blooded effect on inbreeding on talk page
  13. Natural prevalence of Fecund on talk page
  14. events\decisions_events\major_decisions_events.txt, major_decisions.0101
  15. "The final chance [for inbreeding] in percent is given by the number of common ancestors X corresponding level factor X inbreeding chance modifier" Developer comments in game\common\defines\00_defines.txt.
  16. game\common\defines\00_defines.txt, NChildbirth|INBREEDING_ANCESTOR_GENERATIONS = 4
  17. The fact that the parents themselves are included in the common ancestor count is implied in the wording of developer comments found at game\common\defines\00_defines.txt (emphasis added): "How many generations are checked for common ancestors of the both parents (including the parents) for the purposes of getting the inbreeding trait and the pure-blooded trait"
  18. 18.0 18.1 "[enables_inbred = yes] enables the children of the character to be considered for the inbred trait (no by default). It only enables the inbred chance if there are common ancestors of the parents, so there is no risk of 'inbred' if the parents are not related. If inbred is not enabled by parents' traits, but there are common ancestors, there's a chance (same as for inbred trait when it's enabled) the child will get a random trait with enables_inbred = yes." Developer comments in game\common\traits\_traits.info