De SAYE Index
(1) Lesire de Saye, born 1012, died 1045. Married an unknown woman and had son William.

(2) William de Saye I, born 1045 in Sussex, England. Son of Lesire de Saye and an unknown woman. Married Agnes
de Grentmesnil and had son Geoffrey.

(3) Geoffrey de Saye II, born in England. Son of William de Saye I and Agnes. Married Hawise de Clare (?) and had son William.

(4) William de Saye II, died 1144. Son of Geoffrey and Hawise (?). Married Beatrice
de Mandeville and had son William.

(3) William de Saye III, son of William and Beatrice. Married Aufrica
de Scotland and had daughter Beatrix.

(4) Beatrix
de Saye, daughter of William and Aufrica. Married Geoffrey Fitzpiers de Mandeville (her second cousin).
Note: I am unsure as to the exact identity of William II's father, who has been called alternatively William or Geoffrey in various sources. I chose to list him as Geoffrey to distinguish him from his father and son. Hawise de Clare's exact identity is also unknown. -- Jessica