Nielsen Hayden genealogy
Ancestors of Gilbert Foliot, Bishop of Hereford; Bishop of London
Abt 1110 - 1187 (~ 77 years) ┌── Robert Foliot ( - Abt 1155)(m. Bef 1110)
Gilbert Foliot, Bishop of Hereford; Bishop of London (Abt 1110 - 18 Feb 1187)
│ ┌── Ralph I de Chesney (of La Quesnay, Normandy, France - 1086)
│ ┌── Roger de Chesney (of Grafham, Oxfordshire, England - Abt 1109)
│ │ │ ┌── William de Watville ( - Abt 1085)
│ │ └── Maud de Watville
│ │
└── Agnes de Chesney ( - Bef 1148)(m. Bef 1110)
│
│ ┌── Ralph I de Langetot (of Lanquetot, LeHavre, Normandy, France - Aft 1085)
└── Alice de Langetot ( - Aft 1148)