| | Margaret de Beaumont 1156–1236 Saer de Quincy 1st Earl of Winchester 1155–1219 | | |
| | Robert de Beaumont 3rd Earl of Leicester 1120–1190 Petronille de Grandmesnil 1124–1212 | | |
Isabel de Beaumont 1121–1188 | | |
Margaret de Beaumont 1125–1185 | | |
Robert FitzWilliam 1151–1166 | | |
Mabel FitzRobert of Gloucester 1155–1198 | | |
| | Lady Amice Muellant FitzRobert 1155–1225 Baron Richard III de Clare 1153–1218 | | |
Isabella de Clare 1170–1217 King John of England 1166–1216 | | |
| | Hawise de Beaumont 1129–1197 Sir William FitzRobert of Gloucester 1116–1183 | | |
| | Robert FitzWilliam de Hastings 1140–1189 Maud de Flamville 1145–1219 | | |
| | Hawise de Reviers 1120–1215 William FitzRobert de Hastings 1100–1166 | | |
| | Robert de Beaumont 1104–1168 Richard de Reviers 1090–1120 | | |
| | Emma de Vermandois 1075–… | | |
| | Emma FitzOsbern 1049–1095 | | | | William FitzOsbern 1st Earl of Hereford, Steward of Normandy 1015–1071 Adeliza de Tosni 1023–1070 | | | | Osbern de Crepon FitzHerfast 985–1040 | | | | Herfast de Crepon 945–1031 Cyrid Gunhild Olafsdottir 950–1002 | | | | Prince Herbastus Herfast de Crepon of Denmark 906–984 | | |
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| | | Erneburge de Caux 965–1010 |
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| | | Roger I de Tosni 990–1039 Godehildis de Borrell 1000–1051 Adelaide de Borrell 1003–1077 | | | | | Count Raimund Borrel of Barcelona 972–1019 Ermensinde de Carcassonne 972–1058 | | | | Count Borrell II of Barcelona 933–992 Luitgarde de Toulouse 952–977 | | |
| | | Count Roger I de Carcassonne 945–1012 Countess Adelaide de Melgueil 953–1011 | | |
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| | | Count Raimund Borrel of Barcelona 972–1019 Ermensinde de Carcassonne 972–1058 | | | | Count Borrell II of Barcelona 933–992 Luitgarde de Toulouse 952–977 | | |
| | | Count Roger I de Carcassonne 945–1012 Countess Adelaide de Melgueil 953–1011 | | |
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