| Male Johannes Cornelis Onck |
| Birth | 1 Nov 1842 | Arnhem, Gelderland, NLD |
| Death | 22 Sep 1877 | Arnhem, Gelderland, NLD |
| Burial | ||
| Spouse | Susanna Christina Hoendervanger | F2384 | |
| Marriage | 8 May 1867 | Arnhem, Gelderland, NLD |
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