| Name | Birth date | Birth location | Marriage date | Death date | Death location |
|---|
| Bertrade de Montfort | | | 1089 | 1117 | |
| Bertrade d'Evereaux De Montfort | 1155 | Normandy | | 1227 | |
| Guillaume de Montfort | | | | 1003 | |
| Simon De Montfort | 1117 | Montfort, Eure, France | | March 13, 1180/81 | |
| Simon De Montfort | Unknown | | | Unknown | |
| Hugo de Montgomery | | | | | |
| Maud de Montgomery | Abt 1039 | | | | |
| Robert "The Great" de Montgomery | | | | | |
| Roger de Montgomery | | | | Abt 1022 | |
| Roger de Montgomery | | | | | |
| Roger of Shrewsbury de Montgomery | Abt 1030 | | 1048 | 1094 | |
| Daughter Of Guy De Montlhery | Unknown | Monthery, France | | Unknown | Rochfort, France |
| Guy De Montlhery | Unknown | France | | Unknown | |
| Agnes de Mortaigne | Abt 1064 | Mortaigne, France | | | |
| Robert of Cornwall de Mortaigne | Abt 1037 | Normandy, France | | 1092 | |
| Bertha de Morvois | Abt 862 | France | | | |
| Reginald de Mytton | | | | December 20, 1424 | |
| Richard de Mytton | | | | 1418 | |
| Thomas de Mytton | | | | | |
| Hoel I de Nantes | | | | | |
| Judicael de Nantes | | | | | |
| Judith de Nantes | | | | 1064 | |
| Lambert de Nantes | | | | 836 | |
| Alberic de Narbonne | | | | 945 | |
| Mayoul de Narbonne | | | | | |
| Alix De Normandy | Abt 1028 | Normandy | | Unknown | |
| Margaret de Oddingsseles | | | | | |
| William de Oddingsseles | | | | 1295 | |
| William de Oddingsseles | | | | | |
| Alice De Overton | Unknown | | | Unknown | |
| Etienne de Penthievre | | | | 1136 | |
| Eudes de Penthievre | 999 | | | 1079 | |
| Adam de Peshall | | | | October 26, 1419 | |
| Adam de Peshall | | | | 1346 | |
| Adam de Peshall | | | | | |
| John de Lumley de Peshall | | | | | |
| Margaret de Peshall | Abt 1391 | | | 1420 | |
| Robert de Peshall | | | | | |
| Walter de Peshall | | | | | |
| Walter de Peshall, Jr. | | | | | |
| William de Peshall | | | | | |
| Roger de Petres | | | | | |
| Josceline de Pontaudemer | | | | | |
| Agnes de Ponthieu | | | Bef. September 09, 1087 | | |
| Enguorrand I de Ponthieu | | | | 1046 | |
| Guillaume I de Ponthieu | | | | 965 | |
| Guy I de Ponthieu | | | | 1101 | |
| Hugues II de Ponthieu | | | | 1052 | |
| Adelaide de Puiset | | | | | |
| Robert de Quincy | Unknown | | | Unknown | |
