| | Margaret deMortimer 1352–… John II Touchet 1371–1408 | | |
| | Roger IV deMortimer 1328–1359 | | |
| | Edmund II deMortimer …–1331 | | |
| | Roger III deMortimer 1287–1330 | | |
| | Edmund de Mortimer 1261–1304 | | | | Roger II deMortimer 1231–… | | | | Ralph deMortimer 1190–1246 Gwladys Ddu ferch Llywellyn Aberffraw 1194–… | | | | Roger deMortimer 1158–1214 Millicent deFerrers 1164–1252 | | | | Hugh deMortimer 1108–1184 | | |
| | | WalkelinII Seigneur deFerriers …–… | | |
| | | William deFerrers Earl of Derby 1130–1189 | | |
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| | | Llywelyn Fawr Aberffraw 1173–1240 Tangwystl ferch Llywarch …–… Joanna of England 1210–1236 | | | | Iowerth Drwyndwn Gwynedd 1130–1174 | | |
| | | John Lackland King of England 1166–1216 Isabella Taillefer of Angouleme 1188–1246 | | |
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| | | WilliamV deBraose 1204–1230 | | | | | | | | WilliamIII Baron deBraose …–… | | |
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| | | William the Protector Marshall 1146–1219 Isabelle FitzGilbert deClare 1171–1220 | | | | John FitzGilbert Marshall 1126–1165 | | |
| | | Richard Strongbow deClare Earl of Pembroke 1130–1176 Eva MacMurrough 1115–1186 | | |
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