| Male Joannus Nepomisenus DUMONT |
| Birth | 14 Sep 1840 | Padang, Sumatra, DEI |
| Death | ||
| Burial | ||
| Marriage | 7 Nov 1883 [1, 2] | Padangse Beneden, Indonesia [1, 2] |
| Divorced | 9 Jul 1886 | Padang, Sumatra, Dutch East Indies |
| Other Spouse | Amilia Anneta Krijgsman | F6707 | |
| Marriage | Bef 1868 | |
| Father | ||
| Mother | ||
| Female Cornelia Johanna Henrietta GEENEN |
| Birth | 23 Jul 1860 | Padang, Sumatra, Dutch East Indies |
| Death | 11 Dec 1888 | Painan, Sumatra, DEI |
| Burial | ||
| Other Spouse | Herman Adriaan Mess | F11 | |
| Marriage | ||
| Father | Cornelis Arnoldus Adrianus Geenen | F1225 Group Sheet | |
| Mother | Charlotte Eleonora Mila | F1225 Group Sheet | |