[1] They were the children of Emily Wittemann (née Schirzinger) of Missouri.

[2] Charles and Adolph had a company, C. & A. Wittemann of Staten Island, New York.

At Teterboro they built the largest bomber (Witteman-Lewis XNBL-1) of the time.

[1] Other siblings include Herman Wittemann, aka Harold; Walter; Marie; Elizabeth; and Paul.

All the Wittemann children were born in New York City on Staten Island.