Cornelia van der Schaaff
| Aka: | Keetje | |
| Sex: | Female | |
| Father: | Hein van der Schaaff | |
| Mother: | Hendrika Helena Kamman | |
| Birth: | 11 Apr 1885 | Amsterdam, NH, NL |
| Death: | 28 Sep 1971 | Hilversum, NH, NL |
Family 1
| Spouse/Partner: | Christiaan van Velsen | b. 10 Aug 1884 d. 13 Oct 1959 |
| Civil: | 29 Nov 1906 | Amsterdam, NH, NL |
| Children: | ||
Johanna Frederika van Velsen
 |
b. 2 Jun 1907 | |
| Hendrika Helena van Velsen
|
b. 1 Apr 1909 | |
| Christina van Velsen
|
b. 23 Feb 1912 | |
Christiaan van Velsen
 |
b. 2 Apr 1914 | |
| Cornelis van Velsen
|
b. 19 Jul 1917 | |