| | Roger II deMortimer 1231–… | | |
| | Ralph deMortimer 1190–1246 Gwladys Ddu ferch Llywellyn Aberffraw 1194–… | | |
| | WilliamIII Lord deBeauchamp …–1268 | | |
| | Walcheline deBeauchamp …–1235 | | |
| | Roger deMortimer 1158–1214 Millicent deFerrers 1164–1252 | | |
| | Hugh deMortimer 1108–1184 | | |
| | Ralph deMortimer 1082–1105 | | | | | | | | RaoulIII Comte de Valois 1024–1074 | | |
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