Nielsen Hayden genealogy
Ancestors of William of Boulogne
Abt 1085 - Bef 1130 (~ 44 years) ┌── Baldwin ( - 1024)
│
┌── Eustace I (Abt 995 - Abt 1049)
│ └── Adelvie de Gant
│
┌── Eustache II of Boulogne ( - Abt 1080)
│ │
│ │ ┌── Reginar III "Longneck" (920 Hainault, Belgium - 973 Bohemia) =>
│ │ ┌── Lambert I "The Bearded" (Abt 950 - 12 Oct 1015)(m. Between 985 and 990)
│ │ │ └── Adela ( - 961)
│ │ │
│ └── Mathilde of Louvain (Abt 993 - ??)
│ │
│ │ ┌── Charles of Lorraine (953 - 991)(m. Bef 979) =>
│ └── Gerberga of Lorraine ( - Aft 1017)(m. Between 985 and 990)
│ └── Adelheid (m. Bef 979)
│
┌── Geoffrey of Carshalton (Abt 1045 - Aft 1086)(m. Bef 1084)
│
William of Boulogne (Abt 1085 of Carshalton, Epsom, Surrey, England - Bef 1130)
│
│ ┌── Geoffrey I de Mandeville (of Manneville, Seine-Inferieure, Normandy, France -
│ │ Aft 1086 bur.Westminster Abbey, Westminster, Middlesex, England)
│ │ Aft 1086 bur.Westminster Abbey, Westminster, Middlesex, England)
└── Beatrice de Mandeville (of Rycote, Oxfordshire, England - ??)(m. Bef 1084)
└── Adeliza de Balts ( - Bef 1100 bur.Westminster Abbey, Westminster, Middlesex, England)