| Male Cornelis Steman |
| Birth | 1 May 1909 | Amsterdam |
| Death | 27 Jun 1990 | De Bilt |
| Burial | ||
| Marriage | ||
| Other Spouse | Catharina van Overbeeke | F1643 | |
| Marriage | 2 Jun 1964 | Amsterdam |
| Father | Willem Adrianus Steman | F161 Group Sheet | |
| Mother | Anna Koopman | F161 Group Sheet | |
| Female Ida Aloisa Knoll |
| Birth | 12 Jan 1902 | Bachhaupten, Duitsland |
| Death | 2 Apr 1964 | Vienne, Frankrijk |
| Burial | ||
| Father | Martin Knoll | F2712 Group Sheet | |
| Mother | Anna Blättler | F2712 Group Sheet | |
+ Lydia Wilhelmina Steman |
| Birth | 15 Nov 1936 | Amsterdam |
| Death | 4 Jun 2021 | Amsterdam |
| Burial | ||
| Spouse | Heinrich Mayland | F1656 | |
| Marriage | 1 Oct 1957 | Amsterdam |