
Robert Beaumont, 3rd Earl Of Leicester

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- 1 Robert Beaumont, 3rd Earl Of Leicester [1] b. 1135 d. 31 Aug 1190
Petronilla Grandmesnil b. Abt 1135 d. 1 Apr 1212
- 2 Margaret De Beaumont, Countess Of Winchester [1.1]
b. 12 Aug 1154 d. 12 Jan 1235
Saer De Quincy, 1st Earl Of Winchester b. Abt 1155 d. 3 Nov 1219
- 3 Robert Quincy [1.1.1]
b. Abt 1172 d. 1217
Hawise Kevelioc b. Abt 1180 d. Bef 19 Feb 1243
- 4 Margaret De Quincy [1.1.1.1]
b. 1208 d. Aft Mar 1266 [ =>]
- 4 Margaret De Quincy [1.1.1.1]
- 3 Hawise De Quincy, Countess Of Oxford [1.1.2]
b. Abt 1190 d. 3 Feb 1263
Hugh De Vere, 4th Earl Of Oxford b. Abt 1184 d. Bef 23 Dec 1263
- 4 Isabelle De Vere [1.1.2.1]
b. 1228 d. 12 Feb 1299 [ =>]
- 4 Robert De Vere, 5th Earl Of Oxford [1.1.2.2]
b. Abt 1230 d. 2 Sep 1296 [ =>]
- 4 Isabelle De Vere [1.1.2.1]
- 3 Roger Quincy [1.1.3]
b. Abt 1195 d. 25 Apr 1264
Helen Canmore, Countess Of Galloway b. Abt 1196 d. Aft 21 Nov 1245
- 4 Margaret De Quincy [1.1.3.1]
b. 1218 d. 12 Mar 1284 [ =>]
- 4 Elizabeth De Quincy [1.1.3.2]
b. Abt 1220 d. 12 Apr 1282 [ =>]
- 4 Helen De Quincy [1.1.3.3]
b. Abt 1221 d. 27 Aug 1296 [ =>]
- 4 Margaret De Quincy [1.1.3.1]
- 3 Mary De Quincy [1.1.4]
b. 24 Dec 1202 d. 1258
Hugh Le Despencer b. 1202 d. 23 Feb 1238
- 4 Hugh Le Despenser, 1st Baron le Despencer , II [1.1.4.1]
b. 5 Aug 1223 d. 4 Aug 1265 [ =>]
- 4 Hugh Le Despenser, 1st Baron le Despencer , II [1.1.4.1]
- 3 Robert Quincy [1.1.1]
- 2 Amicia Beaumont [1.2]
b. Abt 1156 d. 3 Sep 1215
Simon Montfort, Seigneur De Montfort-L'Amaury b. Abt 1148 d. Bef 1188
- 3 Simon Montfort [1.2.1]
b. Abt 1170 d. 25 Jun 1218
Alice Montmorency b. Abt 1176 d. 24 Feb 1220
- 4 Amaury Montfort [1.2.1.1]
b. Abt 1184 d. 1241 [ =>]
- 4 Amaury Montfort [1.2.1.1]
- 3 Simon Montfort [1.2.1]
- 2 Margaret De Beaumont, Countess Of Winchester [1.1]