| | Elizabeth deBeauchamp 1318–… | | |
Thomas deBeauchamp 1313–… | | |
| | Guy deBeauchamp Earl of Warwick 1268–1315 | | |
| | Maud deChaworth 1282–1322 Henry Earl of Lancaster 1281–1345 | | |
| | Isabel deBeauchamp …–1306 PatrickV deChaworth Lord of Kidwelly Sir 1253–1283 | | |
| | WilliamIV Earl deBeauchamp 1237–1298 | | |
| | WilliamIII Lord deBeauchamp …–1268 | | |
| | WilliamV Mauduit Lord of Hanslope …–1257 | | | | Waleran deNewburgh Earl of Warwick 1153–1204 | | | | Roger deNewburgh Earl of Warwick …–1153 Gundred deWarenne 1117–1166 | | | | Henry deNewburgh Earl of Warwick 1046–1123 | | | | Roger Seigneur deBeaumont 1022–1094 | | |
| | | GeoffreyII Count of Perche …–… | | |
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| | | WilliamII Earl of Warrene 1065–1138 Isabel deVermandois 1085–1130 | | | | William deWarrene Earl of Surrey 1055–1088 Gundred of England 1063–1085 | | |
| | | Hugh Magnus Duke of Burgundy 1057–1102 Adelaide Countess of Vermandois 1065–1124 | | |
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| | | | | | | | | | | | | | | WilliamII Mauduit Baron of Hameslape …–… | | |
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| | | Simon deSt.Liz Earl of Huntindon …–1111 Maud of Northumberland 1072–1131 | | | | Ranulph theRich deSt.Liz …–… |
| | | WaltheofII of Northumberland …–1076 Judith of Ponthieu 1054–1086 | | |
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