Hendrik Jan Oonk
| Sex: | Male | |
| Father: | ||
| Mother: | ||
| Birth: | Bef 1828 | |
| Death: | (?) | |
Family 1
| Spouse/Partner: | Janna Gertruid Sikkink | b. Bef 1828 d. (?) |
| Children: | ||
Janna Gertruida Oonk
 |
b. 4 Jul 1828 d. 8 Jun 1905 | |
| Sex: | Male | |
| Father: | ||
| Mother: | ||
| Birth: | Bef 1828 | |
| Death: | (?) | |
| Spouse/Partner: | Janna Gertruid Sikkink | b. Bef 1828 d. (?) |
| Children: | ||
| Janna Gertruida Oonk
|
b. 4 Jul 1828 d. 8 Jun 1905 | |