https://www.youtube.com/watch?v=eKDfIoTW2jw

You should certainly consider these things during the Estate Planning process. 

For example, one of my clients wants to pass down business ownership to his children, but not his children’s spouses.

The key here is to understand what you are trying to avoid. This is what the design process is for, to help you think through the ideal future and different scenarios that may come up.