Nielsen Hayden genealogy
Walter fitz Roger de Pîtres

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- 1 Walter fitz Roger de Pîtres [1] d. Abt 1126
- 2 Maud of Gloucester [1.1]
Richard fitz Pons d. Between 1128 and 1138
- 3 Bertha de Clifford [1.1.1]
d. Aft 1167
Elias II Giffard d. 1159
- 4 Elias III Giffard [1.1.1.1]
d. Bef 29 Sep 1190 [ =>]
- 4 Walter Giffard [1.1.1.2]
d. Aft 1192 [ =>]
- 4 Elias III Giffard [1.1.1.1]
- 3 Walter de Clifford [1.1.2]
b. Abt 1108 d. 1190
Margaret d. Bef 1185
- 4 Lucy de Clifford [1.1.2.1]
[ =>]
- 4 Rosamund Clifford [1.1.2.2]
b. Bef 1150 d. Abt 1176
- 4 Walter II de Clifford [1.1.2.3]
b. Abt 1150 d. Bef Mar 1208 [ =>]
- 4 Lucy de Clifford [1.1.2.1]
- 3 Bertha de Clifford [1.1.1]
- 2 Miles of Gloucester [1.2]
b. Abt 1100 d. 24 Dec 1143
Sibyl de Neufmarché
- 3 Margaret of Hereford [1.2.1]
d. Bef 29 Sep 1197
Humphrey de Bohun b. Bef 1114 d. Bef 29 Sep 1165
- 4 Humphrey de Bohun [1.2.1.1]
b. Bef 1144 d. 1181 [ =>]
- 4 Humphrey de Bohun [1.2.1.1]
- 3 Bertha of Hereford [1.2.2]
William de Briouze b. Abt 1100 d. Abt 1180
- 4 William de Briouze [1.2.2.1]
d. 9 Aug 1211 [ =>]
- 4 William de Briouze [1.2.2.1]
- 3 Lucy of Hereford [1.2.3]
d. Aft 1219
Herbert fitz Herbert b. Abt 1140 d. Bef Jun 1204
- 4 Peter fitz Herbert [1.2.3.1]
b. Bef 1183 d. Bef 6 Jun 1235 [ =>]
- 4 Peter fitz Herbert [1.2.3.1]
- 3 Margaret of Hereford [1.2.1]
- 2 Maud of Gloucester [1.1]