Yes, by his ex-wife and their daughter for lack of child support. I don't think they were ever married but I may be wrong on that. I worked with his "ex-wife" for nearly 30 years. I want to say the daughter's name is Rhonda if I remember correctly.
A great many of them moved to Metro Detroit and worked in the automotive industry.
Magnus von Braun - Wernher's brother - was an executive at Chrysler in Macomb County.
Many of them were still in the workforce in one capacity or another up until the 1980's.