CK III - It is possible for an AI character creating a cadet branch to change the house of the played character [1.1.3.1]

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Kashked

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Short summary of your issue It is possible for an AI character creating a cadet branch to change the house of the played character [1.1.3.1]

Game Version 1.1.3.1

What OS are you playing on?
Windows

What platform are you using?
Steam

Do you have mods enabled? No

Have you tried verifying your game files (Steam only)?
No

How much "pain" is this causing you?
5

Please explain the issue you experienced in the most condensed way possible
So I noticed the below bit in the patchnotes, which reminded me of a bug I encountered this weekend while playing on the last patch. This may or may not have fixed this issue, but mine is a bit different since it actually included an AI causing my player character to change house, not ONLY his children:

- The AI should no longer choose to create Cadet Branches should that mean that the player's children, grandchildren or great-grandchildren would change house

Alright, strap in, because this is going to be convoluted. Can't really keep it short.


So what happened is this:
I was playing as a character, Yahaff, whose father Abdul (my last player character, from whom I had presumably inherited my house as it was a regular marriage) was dead, but whose mother (who belonged to the same house) was alive. My characters maternal *grandfather* then formed his own cadet branch, which caused my characters mother to change house, which makes sense, but ALSO caused my character, who was house head and dynasty head, to also change house, despite getting his house from his father originally, not from his mother.

If you check in the attached savefile you will see that I was robbed of my role as house-head (which went to my half-brother) and dynasty head of the Ametid dynasty (which went to my grandfather), the founding house, and added as a member of the cadet Yahaffid house (grandfather was also Yahaff to add to the confusion), despite not being (patrilliniarly) descended from Yahaff when he created the branch. The family tree is a bit convoluted, but on a related note which is probably connected to the weirdness my character is called Yahaff ibn Isra (his mother being Isra) when he should be Yahaff ibn Abdul, after his father as they had a regular marriage.
Also related, if I click "pan to you" in the family tree it will show me my place in the family tree from the perspective of my mother rather than father. Basically the problem seems to be that the game has picked the wrong parent as the "primary" parent.

On the pain-scale I put this as a 5, annoying but not deadly, I'll be able to create my own cadet as soon as the mother dies, but I have lost all the powers of house/dynasty head as long as she lives, and also, and more importantly personally, I have lost my original CoA and name and is no longer a member of the founding house I started with.

I mean, this is the edgiest of edge cases, admittedly, but the fact that it is possible for an AI actor to change which house the player character belongs to at all is mildly serious.

Please explain how to reproduce the issue
Play 250 years and keep marrying your cousins until your family tree is so complicated and convoluted that the game throws up it's hand in disgust and can't keep track of stuff? I honestly don't know. Sorry, not a lot of help there.

Is there anything else you think could help us identify/replicate the issue?
From observation, without knowing anything about the code, the problem seems to be that sometimes the game will consider your mother to be your primary parent in a patrilinial marriage when both parents are of the same dynasty.
My characters father was Abdul ibn Isra, but in that case he WAS the result of a matrilinial marriage. The grandfather who created the branch was also Yahaff ibn Safya (Safya being his mother), along with all his siblings, probably since at the time of their birth their mother was landed while their father was not even though it was regular marriages.
All the children of Isra among my characters siblings are also "ibn/bint Isra", while the halfsiblings are all "ibn/bint Abdul". This has repeated in the current generation with all the children of the wives Raisa, Safiya and Golbahar, but weirdly NOT with the children of Tarifa who is "ibn Yahaff" as they should be. Tarifa is also, importantly, the only wife who isn't a member of the dynasty. The same pattern is true with the other Yahaff, the grandfather, whose only children who are "ibn Yahaff" (or Yahaffson since a few of them went native in Bavaria...) are the ones he got with the one wife he had who was not of the dynasty.

Basically, who is considered the primary parents seems to get weird, and carries over the generations as long as you marry members of your own dynasty, wheter they are of your house or not. Something, somewhere, got wonky, but I don't know what but it is clear it has SOMETHING to do with some characters being considered of their mothers line rather than their fathers when they share a dynasty.

The reason this has likely never cropped up in testing, or most peoples games, is that my dynasty in this game is MASSIVE with 94 houses and more cropping up pretty much every year, and over 1300 members who all keep marrying eachother, and unless it had happened to my character I most likely would never have noticed it.

I have attached a save game
Yes

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Yes please

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Hi, Kashked,

Thank you for the report!
The fix you pointed out should prevent from the issue you had in the future. We are still investigating the issue to make the fix full-proof. It was made in response to this forum post, which seems similar, if not the same, as your issue.

Cheers,
Yes, please!
 

Kashked

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Hi, Kashked,

Thank you for the report!
The fix you pointed out should prevent from the issue you had in the future. We are still investigating the issue to make the fix full-proof. It was made in response to this forum post, which seems similar, if not the same, as your issue.

Cheers,
Yes, please!

Just to let you know children are still born as "ibn [their mother]" when marrying dynasty members in my game. Either it's not fixed or it's not fixed for games that were started in an earlier patch.

This is my grandson, born of my son and a dynasty member in a normal marriage, born after the patch was applied.

20201128123329_1.jpg