https://www.mercurynews.com/2022/04/05/ask-amy-my-exs-family-wont-give-my-sons-any-of-his-estate/

Dear Amy: When I was going through my divorce, my ex-husband told our two sons that if they talked to me (their mom), then he wanted nothing to do with them.

My sons told their father that I’m their mother and he is their father and that they would not disown either one of us.