I have reason to believe my grandfather Walter(?) Malmberg was a doctor in Detroit MI in the 1920's to 1940's.He had one son Walter Harland Malmberg(my father)who was born in June of 1920 and an only child. I have no information on my grandmother but do know my grandfather remarried when my dad was very young to a lady from sweden who's first name started with a G.any one with any information please contact me at email@example.com. I would love to be able to fill in the blanks of my family history. I also believe my grandfather may have been related to a Herbert W. and Hazel I. Malmberg who were in Jamestown NY in the 1910's to the 1930's. Please help if possible.