TIL Vidkun Quisling, head of Norway's Nazi puppet government, and his second wife, Maria, adopted his first wife, Alexandra, as a foster daughter. He also never legally married Maria.

https://en.wikipedia.org/wiki/Vidkun_Quisling

https://www.reddit.com/r/todayilearned/comments/15mydb1/til_vidkun_quisling_head_of_norways_nazi_puppet/