Nielsen Hayden genealogy
Ancestors of Gille de Lacy
- 1242 ┌── Gilbert de Lacy ( - Aft 1163 The Near East) =>
┌── Hugh de Lacy (of Meath, Ireland - 25 Jul 1185)(m. Bef 1155)
┌── Walter de Lacy (Abt 1172 - Bef 24 Feb 1240)(m. Bef 19 Nov 1200)
│ │ ┌── Baderon de Monmouth (Abt 1100 Monmouth, Monmouthshire, Wales - Between 1170 and 1176) =>
│ └── Rohese de Monmouth (Between 1135 and 1140 - Abt 1180)(m. Bef 1155)
│ └── Rohese fitz Gilbert ( - Bef 1166) =>
│
Gille de Lacy (of Dublin, Ireland - 1242)
│
│ ┌── William de Briouze (Abt 1100 of Bramber, Sussex, England - Abt 1180)(m. Abt 1150) =>
│ ┌── William de Briouze (of Briouze, Normandy, France - 9 Aug 1211 Corbeil, near Paris, France)
│ │ └── Bertha of Hereford (of Brecknock, Breconshire, Wales - ??)(m. Abt 1150) =>
│ │
└── Margaret de Briouze (Abt 1181 - Aft 25 Jun 1245)(m. Bef 19 Nov 1200)
│
│ ┌── Bernard de St. Valéry (of Hinton Waldrist, Berkshire, England - 1190) =>
└── Maud de St. Valéry (Abt 1150 - 1210 Windsor, Berkshire, England)
└── Matilda ( - Abt 1151)