Johanna Frederika van Velsen
| Sex: | Female | |
| Father: | Christiaan van Velsen | |
| Mother: | Cornelia van der Schaaff | |
| Birth: | 2 Jun 1907 | Amsterdam, NH, NL |
| Sex: | Female | |
| Father: | Christiaan van Velsen | |
| Mother: | Cornelia van der Schaaff | |
| Birth: | 2 Jun 1907 | Amsterdam, NH, NL |