Wangenheim was born Ingo Clemens Gustav Adolf Freiherr von Wangenheim in Wiesbaden, Hesse, to parents Eduard Clemens Freiherr von Wangenheim and Minna Mengers. Both of his parents were performers; his father, who used the stage name Eduard von Winterstein, appeared in over 200 films between 1910 and 1960. He briefly served in the Imperial German Army during World War I but was discharged in 1915 because of an eye injury. Read More