I have a duke who has a married a foreign duke which has given me an inheritance warning. This being Crusader Kings, my gut instinct is to have someone killed but I'm not sure who or in what order people must die.

The breakdown is thus: I am playing a Byzantine emperor with high crown authority (shouldn't that prevent titles from leaving the realm?) with a male duke of Jazira reporting directly to me. He has married (non-matralinially) the duchess of Orkney who is a direct vassal of the King of Norge. They have two male children together.

My first thought was to kill my own vassal duke so that his son inherits his duchy and the son becomes my vassal. Then when his mother dies he inherits Orkney which becomes part of my empire since he's already my vassal (at least I think that's what will happen). That's when I noticed a final confusion in the matter, the duchess and duke have different heirs. Their elder son is the heir to the duchy of Orkney while their younger son is the heir to the duchy of Jazira.

I am guessing this has something to do with the differing inheritance laws of the two duchies, the duchy of Jazira has primogeniture succession while Orkney has gavelkind.

All I want is to keep the duchy of Jazira under my control, I don't want Orkney, I have enough problems as it is without it. Who should die to make sure this happens? I suppose I'd accept non-murderous solutions as well, there's a first time for everything.

  • 2
    Is Jazira in the De Jure Byzantine Empire? Jan 26, 2015 at 1:19
  • No, it is De Jure part of the Persian Empire which currently does not exist.
    – Trajanus
    Jan 26, 2015 at 2:18
  • Wouldn't killing the duchess do it? You'd probably lose Orkney, but you said you don't care about it, and your duke's heir is under you (and there's no issue with two sons because you have a primogeniture).
    – Blindy
    Jan 26, 2015 at 5:26
  • If you don't get a definitive answer (I just started the game so I'm not 100% sure), try reddit.com/r/CrusaderKings it's a very active subreddit dedicated to the game.
    – Blindy
    Jan 26, 2015 at 5:29
  • 1
    @Trajanus FYI, that's why your high crown authority has no impact
    – Affine
    Jan 27, 2015 at 2:01

1 Answer 1


You kill your own Duke. So long as the Duke's son (whichever) inherits his father's lands before his mother's there is no way you lose Jazira. The chance of the Duchess dying first is why you are getting the inheritance warnings. If she dies first there's a chance that her heir could end up inheriting Jazira as well when the Duke dies. With Orkney having Gavelkind succession, if she has enough holdings there's a chance both of her sons could be landed vassals of another realm when your Duke dies. If both sons are vassals of another country when the Duke dies, you'll lose Jazira for sure.

As Affine and Studoku point out, the reason your High Crown Authority isn't preventing this is because Jazira is not De Jure part of Byzantium. It only can prevent out-of-realm inheritance in the De Jure Empire. I don't understand why Primogeniture succession in Jazira would be giving the younger son Jazira while the older gets Orkney, that's just backwards. However, so long as the Duke dies before the Duchess, and before either son is landed, I can assure you the inheriting son (whoever that may be) will be your vassal.

I know you have said you don't care to have Orkney, but if you did, the solution would be to kill the Duke, then immediately begin plotting to kill the non-inheriting son. This would assure that Orkney went to the son that just became your Duke.

As you say, this is Crusader Kings. All things are possible through adequate murder.

If for some reason you wanted to achieve your goal without killing anyone (a strange concept, but bear with me): If you have a title to spare (even a barony will do) you can land the son that is the heir to Jazira. By giving him the barony, he becomes your vassal. When he inherits further titles those will also become a part of your realm, even if the titles he inherits from outside the realm are of higher rank than his first title. So long as he is landed in your realm, any lands he inherits become and/or remain a part of your realm.

  • 1
    I ended up gambling and letting nature take its course since my duke was a family member (and he was maimed :D). He did die first, though the duchy ended up passing to his (previously unborn) grandson by his elder son. His own two sons still have the same inheritance they did before he died. To be honest, I'm still not completely clear on everything that has transpired, but what you said made sense and came to pass so I'm marking it as the answer. Thanks for all the help guys!
    – Trajanus
    Mar 23, 2015 at 0:45
  • "When he inherits further titles those will also become a part of your realm, even if the titles he inherits from outside the realm are of higher rank than his first title." uh? This is the opposite of everything I've read so far…
    – o0'.
    Aug 28, 2015 at 22:56
  • I keep hearing people say that, but it runs contrary to what I have observed. As far as I can tell, first to vassalize wins.
    – CrusaderJ
    Aug 29, 2015 at 13:44

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