| | MauriceIII deBerkeley 1271–1326 | | |
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| | Edmund de Mortimer 1261–1304 | | |
| | JohnII FitzAlan Earl of Arundel 1246–1271 | | |
| | Roger II deMortimer 1231–… | | |
| | Ralph deMortimer 1190–1246 Gwladys Ddu ferch Llywellyn Aberffraw 1194–… | | |
| | WilliamIV Earl deBeauchamp 1237–1298 | | |
| | WilliamIII Lord deBeauchamp …–1268 | | |
| | Walcheline deBeauchamp …–1235 | | |
| | Roger deMortimer 1158–1214 Millicent deFerrers 1164–1252 | | |
| | Hugh deMortimer 1108–1184 | | | | William leMeschines 1096–… | | | | RanulphIII leMeschines Earl of Chester 1070–1128 Lucy Taillebois 1070–1128 | | | | Randulf Earl of Chester deBrichessart 1050–1129 Maud deAvranches 1053–1084 | | | | Randulf Count of Bayeux 1017–1047 | | |
| | | Richard leGoz Vicompt of Avranches 1025–1066 | | |
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| | | Ivo FitzRichard deRoumare Taillebois 1036–1094 | | | | | Alfgar Earl of Mercia 1002–1060 | | |
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| | | | Ralph deMortimer 1082–1105 | | | | | | | | RaoulIII Comte de Valois 1024–1074 | | |
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