| Male Joannus Nepomisenus DUMONT |
| Birth | 14 Sep 1840 | Padang, Sumatra, DEI |
| Death | ||
| Burial | ||
| Marriage | Bef 1868 | |
| Divorced | 7 Feb 1882 | Padangse benedenlanden, Sumatra, DEI |
| Other Spouse | Cornelia Johanna Henrietta GEENEN | F1224 | |
| Marriage | 7 Nov 1883 | Padangse Beneden, Indonesia |
| Father | ||
| Mother | ||
| Female Annetta Fransina Eleonora DUMONT |
| Birth | 1 Nov 1868 | Padang, Sumatra, DEI |
| Death | ||
| Burial | ||
| Spouse | Augustus Josephus Carolus GEENEN | F1497 | |
| Marriage | 21 Aug 1888 | Padang, Sumatra, Dutch East Indies |