Wait, actually i didn't understand above, but are it just about name? As far as i understand, you don't want a child (from a couple of your villager) mate/going indoors with their mommy or daddy. Is it right? If its not, please give me detailed explanations .

If its right, it won't affect anything, right. In the game, even if you have a child with your dad/mom won't affect anything on the child. So, whats the goal?? I think I have no problems in breeding or parenting.

If you try to stop your population from increasing, it is quite hard. when you have lots of villager with even a little parenting skill, they will breed excessively (when there is a good amount of hut and food source). If you have 25 populations, and all of the parents die, don't do anything, i think. But, no way, it still not working. Some children have little skill (maybe resemble their parents' skill) and they will preferred to it. But, don't worry, your population will STOP INCREASING WHEN IT REACHES 100.

The things that I hate when my population reaches 100 is its hard to find the tribal chief. I like tribal chief, cause he/she can do anything like point new collectible (i've fully researched all techs), do a weather dance, lecture children etc.

And, i actually dont understand what you want, so tell me the right one.