That explains the gender confusion.
Is there any such animal as a non-acrimonious divorce when children are involved?
I've heard of divorces where the parents try to minimize strain on the children and keep things on a friendly basis.
In this case, the parents were quite strange people, one a professor. I don't know the details except from what my daughter told me of their home environment. Very strange.
This girl has a sister who's almost 20 years older.