How do culture bonuses applied to villages work?

For example: Vlandian villages get 10% bonus to production in castle-bound villages, Sturgains get 10% bonus grain production.

Are these bonuses based on the culture of the ruling kingdom, of the leader of the clan that owns it, or the village itself?

I would think it means that the player character being of Vlandian culture means all castle-bound villages I own anywhere on the map will get the bonus, but what raised the question for me is the way the Battanian veteran militia bonuses is worded - "Towns owned by Battanian rulers will have +20% chance of militias to spawn as veteran militias" rather than simply saying "Battanian towns" similar to how the other two are worded.

Thanks Bannerlords.

submitted by /u/RickMoneyRS
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