Quote Originally Posted by socal_infidel
I'm pretty sure there's a hardcoded limit of 4 on the number of children you can have despite being able to change the number in the descr_campaign_db file...
No, you can have more children than 4 if you raise the value in the xml file but the family tree will display just the first 4 of them.

This usually also leads to some "instability" within the game and, as Alpaca already said, possible crashes.