So you're suggesting they confirm his story and therefor whether or not they were also violently attacked by their father / husband some years ago?? All for the entertainment of a running forum.
I don't know about you but if I had written a book about myself and put a load of information damaging to other people into the public domain I would expect to be able to prove what I was saying if anyone queried me. Just because someone says something does not make it true or immune from people asking for evidence that this is so.
If you don't want people "prying" into your life then don't write a book about yourself FFS!