Erwin August Wilhelm Sielaff: Our Family History

UPDATED: 18 August 2026

1907 - Yes, date unknown

Generation: 1

Erwin August Wilhelm Sielaff was born on 7 Sep 1907 in Rochester, Monroe, New York; was christened on 10 Oct 1907 in Rochester, Monroe, New York; and died.

Erwin married Mabel E. Mantell on 20 Mar 1933 in Rochester, Monroe, New York. Mabel (daughter of Alfons Mantell and Bertha Harrison) was born on 16 Aug 1912 in New York; and died. [Group Sheet] [Family Chart]