Father: Oncken, John Folkert Mother: Ricklefs, Hilda Johanna 15305[O525] Oncken, William Gerhard Ancestors| Clan PDF| Descendents 5 Children Found Oncken, Clyde Frederick With: Doden, Minnie Oncken, Mildred With: Doden, Minnie Oncken, Clara Marie With: Doden, Minnie Oncken, Adrienne Catherine With: Doden, Minnie Oncken, Emma Louise With: Doden, Minnie Supporting Documents: BIRTH: William Gerhard Oncken MARR: Oncken + Doden Historical Notes: my birth transcription is MAR 15, but  everyone else, including WWII registration says NOV 15. This would also explain why missing in 1880 census.

No image available! 1880-11-15 Born: Sterling, Whiteside, IL 1906-02-22 Marriage: Whiteside, IL To: Doden, Minnie 1907-11-07 Birth at: Whiteside, IL Of Child: Clyde Frederick 1909-04-26 Birth at: Whiteside, IL Of Child: Mildred 1911-01-11 Birth at: Whiteside, IL Of Child: Clara Marie 1913-06-18 Birth at: Whiteside, IL Of Child: Adrienne Catherine 1915-03-14 Birth at: Whiteside, IL Of Child: Emma Louise 1955-03-23 Died (age 74): Sterling, Whiteside, IL