| | William de Percy 1112–1175 Alice FitzGilbert de Clare of Tonbridge 1121–1150 | | | | Lord Alan de Percy 1067–1135 | | | | Baron William de Percy 1034–1096 | | |
| | | Gilbert de Gand 1048–1095 Alice de Montfort 1050–1091 | | | | Gisele de Luxembourg 1028–1058 | | |
| | | Hugh de Montfort 1020–1088 Alice de Beauffou 1025–1100 | | |
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| | | Richard FitzGilbert de Clare 1085–1136 Alice le Meschines 1102–1128 | | | | Gilbert FitzRichard de Clare 1065–1115 Adelaide de Clermont 1062–1117 | | | | Richard FitzGilbert de Clare 1035–1090 | | |
| | | Hugh de Clermont 1030–1101 Marguerite de Montdidier de Roucy 1040–1110 | | |
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| | | Ranulph de Meschines 1070–1129 Lucy of Bolingbroke Taillebois 1070–1138 | | | | Ranulf de Meschines 1046–1129 Maud de Avranches 1050–1109 | | |
| | | Thorold Turold Sheriff of Lincolnshire 1040–1085 Alversa de Malet 1045–1083 | | |
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