|  Male Willem Twiss | 
| Birth | 31 Jul 1815 | Kralingen, Zuid-Holland, Nederland  | 
| Death | 19 Dec 1892 | Den Haag, Zuid-Holland, Nederland  | 
| Burial | ||
| Marriage | 21 Dec 1850 | Tilburg, Noord-Brabant, Nederland  | 
| Father | Francis Twiss | F1004 Group Sheet | |
| Mother | Catharina Quirina Suermondt | F1004 Group Sheet | |
|  Female Johanna Geertruida Wijndels | 
| Birth | 18 Nov 1828 | Heerenveen, Friesland, Nederland  | 
| Death | 19 Sep 1861 | Tilburg, Noord-Brabant, Nederland  | 
| Burial | ||
| Father | David George Wijndels | F883 Group Sheet | |
| Mother | Johanna Geertruida de Swart | F883 Group Sheet | |
|  Male Francis Twiss | 
| Birth | 1853 | |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | Cornelia Adriana Rijnders | F1529 | |
| Marriage | 18 Aug 1916 | Nijmegen, Gelderland, Nederland  |