William De Grandmesnil
Abt 1115 - Yes, date unknown(
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- 1 William De Grandmesnil [1] b. Abt 1115 d. Yes, date unknown
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- 2 Petronilla Grandmesnil [1.1] b. Abt 1135 d. 1 Apr 1212
- Robert Beaumont, 3rd Earl Of Leicester b. 1135 d. 31 Aug 1190
- 3 Margaret De Beaumont, Countess Of Winchester [1.1.1] b. 12 Aug 1154 d. 12 Jan 1235
- Saer De Quincy, 1st Earl Of Winchester b. Abt 1155 d. 3 Nov 1219
- 4 Robert Quincy [1.1.1.1] b. Abt 1172 d. 1217
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- 4 Hawise De Quincy, Countess Of Oxford [1.1.1.2] b. Abt 1190 d. 3 Feb 1263
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- 4 Roger Quincy [1.1.1.3] b. Abt 1195 d. 25 Apr 1264
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- 4 Mary De Quincy [1.1.1.4] b. 24 Dec 1202 d. 1258
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- 4 Robert Quincy [1.1.1.1]
- 3 Amicia Beaumont [1.1.2] b. Abt 1156 d. 3 Sep 1215
- Simon Montfort, Seigneur De Montfort-L'Amaury b. Abt 1148 d. Bef 1188
- 4 Simon Montfort [1.1.2.1] b. Abt 1170 d. 25 Jun 1218
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- 4 Simon Montfort [1.1.2.1]
- 3 Margaret De Beaumont, Countess Of Winchester [1.1.1]
- 2 Petronilla Grandmesnil [1.1]