(Notes: You may have to scroll down or right to see chart.)
| Richard Fitz-Gilbert De Clare | |
| B: | cir 1125 |
| Tunbridge, Kent, England | |
| D: | 20 Apr 1176 |
| Dublin, Leinster, Ireland | |
| Eva Mac Morough | |
| B: | cir 1141 |
| Leinster, Ireland | |
| D: | 1177 |
| Rohese De Clare | |
| B: | cir 1130 |
| Clare, Suffolk, England | |
| D: | 1180 |
| County Meath, Ireland | |
| Hugh De Lacy | |
| B: | 1120 |
| Herefordshire, England | |
| D: | 25 Jul 1186 |
| Leinster, Ireland | |
| Isabel Of Beaumont | |
| B: | cir 1094 |
| Leicester, Leicestershire, England | |
| D: | 1147 |
| Gilbert De Clare | |
| B: | cir 1100 |
| Tunbridge, Kent, England | |
| D: | 06 Jan 1147 |
| England | |
| Hamon Massey, III | |
| B: | cir 1133 |
| Cheshire, England | |
| D: | 1216 |
| Agatha of Theray | |
| B: | cir 1140 |
| Lincolnshire, England | |
| D: | 1216 |
| Emma of Beaumont | |
| B: | 1102 |
| Leicester, Leicestershire, England | |
| Hamon Massey, II | |
| B: | cir 1100 |
| Cheshire, England | |
| Robert Beaumont | |
| B: | cir 1142 |
| Meulan, Yvelines, Ile-de-France, France | |
| D: | 21 Sep 1207 |
| Poitiers, Vienne, Nouvelle-Aquitaine, France | |
| Maud Cornwall Fitz-Roy De Dustanville | |
| B: | 1143 |
| Isabelle of Meulan | |
| B: | 1148 |
| Beaumont-sur-Sarthe, Maine, Pays-de-la-Loire, France | |
| D: | 10 May 1220 |
| Savigny, Allier, Auvergne, France | |
| Geoffroy III of Mayenne | |
| B: | 1147 |
| Mayenne, Mayenne, Pays-de-la-Loire, France | |
| D: | 18 Feb 1170 |
| Mayenne, Mayenne, Pays-de-la-Loire, France | |
| Maurice II of Craon | |
| B: | 1145 |
| D: | 1196 |
| Waleran Of Meulan Beaumont | |
| B: | 1104 |
| Leicester, Leicestershire, England | |
| D: | 09 Apr 1166 |
| Preaux, Normandy, France | |
| Agnes De Montfort | |
| B: | cir 1122 |
| Montfort-en-Chalosse, Landes, France | |
| D: | 15 Dec 1181 |
| Robert III De Harcourt | |
| B: | cir 1121 |
| Leicester, Leicestershire, England | |
| D: | 31 Aug 1190 |
| Greece | |
| Petronella De Grentmesnil | |
| B: | 1134 |
| Hinckley, Leicestershire, England | |
| D: | 01 Apr 1212 |
| Leicestershire, England | |
| Robert II Of Beaumont | |
| B: | 1104 |
| Leicester, Leicestershire, England | |
| D: | 05 Apr 1168 |
| England | |
| Amice Of Montfort De Gael | |
| B: | cir 1100 |
| Norfolk, England | |
| Robert I Of Beaumont | |
| B: | 1050 |
| Beaumont, Bellechasse, Quebec, Canada | |
| D: | 05 Jun 1118 |
| Leicestershire, England | |
| Isabel Elizabeth De Crepi De Vermandois | |
| B: | cir 1050 |
| Valois, Bretagne, France | |
| D: | 13 Feb 1130 |
| France | |
| Roger Of Baumont, Seigneur Of Beaumont | |
| B: | 1020 |
| Pont-Audemer, Eure, France | |
| D: | 29 Nov 1094 |
| Preaux, Normandy, France | |
| Adeliza Countess De Meulan | |
| B: | 1014 |
| Ponteaudemer, Normandy, France | |
| D: | 08 Apr 1081 |