| | Sir Henry de PERCY 1301–1352 Idoine de CLIFFORD 1303–1365 | | |
| | Sir Henry de PERCY 1273–1314 Eleanor FITZALAN 1277–1328 | | |
| | Sir Henry de PERCY 1235–1272 Eleanor PLANTAGENET 1251–1282 | | |
| | William de PERCY 1202–1245 Joan de BRIWERE 1197–1233 | | |
| | | | | | | Jocelin de LOUVAIN 1121–1180 | | | | Godefroid de LOUVAIN I 1060–1139 Clémence de BOURGOGNE 1078–1133 | | | | Henri II de LOUVAIN 1020–1078 | | | | Lambert Baldéric II de LOUVAIN –1054 | | |
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| | | | Guillaume I de BOURGOGNE 1040–1087 Etienette de LONGWY –1088 Gerberge Countess de BOURGOGNE 956– Stephanie, of BARCELONA 1045–1092 | | | | Renaud I Count PALATINE 990–1057 | | |
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| | | William de PERCY 1112–1168 Alice de TONBRIDGE 1102–1148 | | | | William de PERCY 1112–1133 | | | | | Máel Coluim MacHeth 1064–1168 |
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| | | Richard FitzGilbert de CLARE 1100–1136 | | | | Gilbert FitzRichard de CLARE 1066–1117 | | |
| | | Hugh de KEVELIOC 1147–1181 Bertrade de MONTFORT 1150–1189 | | |
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