| Male Count Robert De Mortaigne |
| Birth | 1037 | Mortaigne, South Manche, France |
| Death | 8 Dec 1090 | , , , France |
| Burial | Abbaye De Grestain, Fatouville-Grestain, , Haute-Normandie, France |
|
| Marriage | 1058 | |
| Father | Viscount Herluin De Conteville | F2215 Group Sheet | |
| Mother | Herleve, of Falaise | F2215 Group Sheet | |
| Female Maude Montgomery |
| Birth | 1041 | Mortaigne, South Manche, France |
| Death | 1107 | |
| Burial | Abbaye De Grestain, Fatouville-Grestain, , Haute-Normandie, France |
|
| Father | Earl of Shrewsbury Roger Montgomery | F1245 Group Sheet | |
| Mother | Mabel Talvas | F1245 Group Sheet | |
| Female + Agnes De Mortaigne |
| Birth | 1054 | Mortaigne, South Manche, France |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | Andre Seigneur De Vitre | F2213 | |
| Marriage | 1079 | , , , France |