Nielsen Hayden genealogy
Ancestors of (Unknown) de Burgh
┌── Walter de Burgh (of Burgh near Aylsham, Norfolk, England - ??)
┌── William de Burgh (of Askeaton, Limerick, Ireland - 1205)(m. Bef 1193)
│ └── Alice ( - ?? bur.Walsingham, Norfolk, England)
│
┌── Richard de Burgh (Abt 1193 - 1242)(m. Bef 21 Apr 1225)
│ └── (Unknown) (m. Bef 1193)
│
│
│ ┌── Roger de Lacy ( - 1106) =>
│ ┌── 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)
│ │ │
│ │ │ ┌── William de Monmouth (Between 1060 and 1065 of Monmouth, Monmouthshire, Wales -
│ │ │ │ Bef 1138) =>
│ │ │ │ Bef 1138) =>
│ │ │ ┌── Baderon de Monmouth (Abt 1100 Monmouth, Monmouthshire, Wales - Between 1170 and 1176)
│ │ └── Rohese de Monmouth (Between 1135 and 1140 - Abt 1180)(m. Bef 1155)
│ │ │
│ │ │ ┌── Gilbert fitz Richard de Clare (Abt 1060 - 1117) =>
│ │ └── Rohese fitz Gilbert ( - Bef 1166)
│ │ └── Alice de Clermont (of Clermont, Oise, Picardie, France - Aft 1136) =>
│ │
└── Gille de Lacy (of Dublin, Ireland - 1242)(m. Bef 21 Apr 1225)
│
│ ┌── Philip de Briouze (Bef 1066 - Between 1131 and 1139) =>
│ ┌── William de Briouze (Abt 1100 of Bramber, Sussex, England - Abt 1180)(m. Abt 1150)
│ │ └── Aenor de Totnes (of Totnes, Devon, England - ??) =>
│ │
│ ┌── William de Briouze (of Briouze, Normandy, France - 9 Aug 1211 Corbeil, near Paris, France)
│ │ │
│ │ │ ┌── Miles of Gloucester (Abt 1100 - 24 Dec 1143 bur.Llanthony Priory, outside
│ │ │ │ Gloucester, Gloucestershire, England)(m. 1121) =>
│ │ │ │ Gloucester, Gloucestershire, England)(m. 1121) =>
│ │ └── Bertha of Hereford (of Brecknock, Breconshire, Wales - ??)(m. Abt 1150)
│ │ └── Sibyl de Neufmarché (of Brecon, Breconshire, Wales - ?? bur.Llanthony Priory,
│ │ outside Gloucester, Gloucestershire, England)(m. 1121) =>
│ │ outside Gloucester, Gloucestershire, England)(m. 1121) =>
│ │
└── Margaret de Briouze (Abt 1181 - Aft 25 Jun 1245)(m. Bef 19 Nov 1200)
│
│ ┌── Reginald de St. Valéry (of Tetbury, Gloucestershire, England - Aft 1147) =>
│ ┌── Bernard de St. Valéry (of Hinton Waldrist, Berkshire, England - 1190)
└── Maud de St. Valéry (Abt 1150 - 1210 Windsor, Berkshire, England)
└── Matilda ( - Abt 1151)