| | WilliamIV Earl deBeauchamp 1237–1298 | | |
| | WilliamIII Lord deBeauchamp …–1268 | | |
| | WilliamV Mauduit Lord of Hanslope …–1257 | | |
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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 | | | | Siward Biornsson the Dane of Northumberland …–1055 AefledIII of Bernica 1016–… | | | | | Aldred of Bernica 1009–1039 | | |
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| | | EnquerrandII Count of Ponthieu 980–1053 | | | | HughII Count of Ponthieu 1000–1052 | | |
| | | RobertI the Devil Duke of Normandy 999–1035 Arletta of Falaise 1003–1050 | | |
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| | | | | | | WilliamII Mauduit Baron of Hameslape …–… | | | | | Michael Baron of Hameslape …–1105 | | | | Winemar the Fleming Baron of Hameslape …–1066 |
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