Nielsen Hayden genealogy
Robert de Breteuil

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- 1 Robert de Breteuil [1] d. 1190
Pernel de Grandmesnil d. 1 Apr 1212
- 2 Margaret of Leicester [1.1]
d. 12 Jan 1235
Saher de Quincy b. 1155 d. 3 Nov 1219
- 3 Robert de Quincy [1.1.1]
d. Aft 20 May 1217
Hawise of Chester b. 1180 d. Bef 19 Feb 1243
- 4 Margaret de Quincy [1.1.1.1]
b. Bef 1217 d. Bef 30 Mar 1266 [ =>]
- 4 Margaret de Quincy [1.1.1.1]
- 3 Hawise de Quincy [1.1.2]
d. Aft 1263
Hugh de Vere b. Abt 1210 d. Bef 23 Dec 1263
- 4 Isabel de Vere [1.1.2.1]
d. Bef 7 Jan 1291 [ =>]
- 4 Lora de Vere [1.1.2.2]
[ =>]
- 4 Robert de Vere [1.1.2.3]
b. Abt 1240 d. Bef 7 Sep 1296 [ =>]
- 4 Isabel de Vere [1.1.2.1]
- 3 Orabel de Quincy [1.1.3]
Richard de Harcourt b. Abt 1202 d. Abt Jan 1258
- 4 William de Harcourt [1.1.3.1]
d. Bef 5 Jul 1270 [ =>]
- 4 William de Harcourt [1.1.3.2]
b. Bef 1227 d. Between 1270 and 19 Apr 1271 [ =>]
- 4 William de Harcourt [1.1.3.1]
- 3 Roger de Quincy [1.1.4]
b. Abt 1195 d. 25 Apr 1264
Helen of Galloway d. Aft 21 Nov 1245
- 4 Elizabeth de Quincy [1.1.4.1]
d. Bef 4 May 1303 [ =>]
- 4 Ellen de Quincy [1.1.4.2]
b. Abt 1222 d. Bef 20 Aug 1296 [ =>]
- 4 Margaret de Quincy [1.1.4.3]
b. Bef 1223 d. Bef 12 Mar 1281 [ =>]
- 4 Elizabeth de Quincy [1.1.4.1]
- + Eleanor de Ferrers d. Bef 26 Oct 1274
- 3 Robert de Quincy [1.1.5]
b. Bef 1200 d. Aug 1257
Ellen of Wales d. Bef 24 Oct 1253
- 4 Joan de Quincy [1.1.5.1]
d. 25 Nov 1283
- 4 Hawise de Quincy [1.1.5.2]
b. Abt 1250 d. Bef 27 Mar 1285 [ =>]
- 4 Joan de Quincy [1.1.5.1]
- 3 Robert de Quincy [1.1.1]
- 2 Amicie de Beaumont [1.2]
d. 3 Sep 1215
Simon IV de Montfort b. Abt 1153 d. Bef 18 Jul 1188
- 3 Simon V de Montfort [1.2.1]
b. Abt 1175 d. 25 Jun 1218
Alix de Montmorency d. 24 Feb 1221
- 4 Amicie de Montfort [1.2.1.1]
d. 20 Feb 1253 [ =>]
- 4 Laure de Montfort [1.2.1.2]
d. Bef 1227 [ =>]
- 4 Amuary VII de Montfort [1.2.1.3]
b. Abt 1191 d. 1241 [ =>]
- 4 Simon VI de Montfort [1.2.1.4]
b. Between 1208 and 1209 d. 4 Aug 1265 [ =>]
- 4 Amicie de Montfort [1.2.1.1]
- 3 Simon V de Montfort [1.2.1]
- 2 Margaret of Leicester [1.1]