Thank you for replying so soon. I guess I'm totally mistaken in my theory about Gustav. I don't really know too much about him or his wife, as my family always seemed to be very reluctant to talk about earlier relatives.
I just recently found out the names of my dad's grandparents and, as I said, am just beginning an intense search for info.
I can't connect any of the wonderful info you sent with any of my own relatives. Maybe later, when I know more about them.