[sharktrager]

I am not sure they were Jews. This was done in I believe Norway as a way to produce Aryan children.

[Elsiejay]

I've read a story recently (I don't remember where) about a German "program" to produce "good Aryan" stock by interbreeding with Norwegian women during WWII occupation, and the unhappy fate of the resultant children, whose paternity often was common knowledge and who tended to become shunned and disrespected by Norwegian society.
A Google search might produce relevant info.