| Generation 3 - John Diederick Oudsteyn: Born - 24 Oct 1919 - Cook County, Illinois |
|
| Generation 3 - John Diederick Oudsteyn & Harriett Louise Gantz: Married - 14 Jan 1939 - Cook County, Illinois |
|
| Generation 4 - Gustav Karl Lodewijk Oudsteijn: Born - 9 Feb 1894 - Rotterdam, Netherlands |
|
| Generation 4 - Gustav Karl Lodewijk Oudsteijn: Died - Jan 1984 - Sullivan, Moultrie County, Illinois |
|
| Generation 4 - Angeline "Angie" DeWitt: Born - Nov 1899 - Illinois |
|
| Generation 4 - Herman J. Gantz: Born - Aug 1894 - West Virginia |
|