| Male Simon De Montifort, I |
| Birth | 1025 | Montfort, Lamauri, France |
| Death | 1087 | |
| Burial | ||
| Marriage | 1055 | |
| Other Spouse | Agnes D'Evereux | F798 | |
| Marriage | 1060 | |
| Father | Amauri De Montifort | F800 Group Sheet | |
| Mother | Bertrade De Gomentz | F800 Group Sheet | |
| Female + Isabelle De Montfort |
| Birth | 1056 | |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | Ralph De Toeni, III | F2820 | |
| Marriage | ||