De MANDEVILLE Index
(1) Geoffrey de Mandeville, born 1036 in Rycott, Oxford, England. Died 1085. Married Adeliza de Balts (born 1040) and had son William.

(2) William de Mandeville, born 1062, died 1130. Son of Geoffrey and Adeliza. Married Margaret
de Rie and had daughter Beatrice and son Geoffrey. Constable of the Tower.

(3) Geoffrey de Mandeville, born 1092, died September 14th, 1144. Son of William and Margaret. Married Rohese
de Vere and had daughter Maud. Earl of Essex.

(4) Maud de Mandeville, born 1138. Daughter of Geoffrey and Rohese. Married (?) Piers de Lutegareshale and had son Geoffrey. Lady of Costow.

(5) Geoffrey Fitzpiers de Mandeville, born 1152 in Northampton, died October 14th, 1213 in Walden, Essex, England. Son of Maud and Piers. Married Beatrix
de Saye (second cousin) and had son Geoffrey. Earl of Essex.

(6) Geoffrey de Mandeville, died 1216. Son of Geoffrey and Beatrix. Married Isabella
de Clare and had daughter Alice.

(7) Alice de Mandeville, daughter of Geoffrey and Isabella. Married Sir Henry
de Lambert and had son John.