My father's name was Hellmuth (aka Harry). His father's name was Helmuth (with one L). His mother's name was Margaret. He had atleast 2 brothers - Hans and William.
All from Philadelphia. That's as far as I know, other than my father was born 9/21/31 and died 9/82. He married my mother Delores Dorat in May, 1955. They divorced in 1962 or 63 and we moved to Texas.