1. WILLIAM¹ DE SAY was born between 926/7 and 1183, and died between 986/7 and 1293. ^{[1, 3]}
Child:

+

2

i.

BEATRICE2 DE SAY, b. about 1110; d. between 1 Jan. and 19 April 1197[2]; m. BEF 25 JAN 1184/5[2] (AAT-2) GEOFFREY FITZ PIERS, EARL OF ESSEX of Walden, Essex, England, United Kingdom, b. of Walden about 1162, d. on 14 Oct. 1213[2], son of (AAT-1) Piers and (ABG-4) Maud (de MANDEVILLE) DE LUTEGARESHALE.

2. BEATRICE² DE SAY (William¹), daughter of (1) William¹ DE SAY, was born between 1071 and 1170/1, and died between 1085 and 19 April 1197^[2]. She married BEF 25 JAN 1184/5^[2], (AAT-2) GEOFFREY FITZ PIERS, EARL OF ESSEX of Walden, son of (AAT-1) Piers and (ABG-4) Maud (de MANDEVILLE) DE LUTEGARESHALE, who was born about 1162 of Walden, and died on 14 Oct. 1213^[2]. ^{[2, 3]}
Child: See (AAT-2) Geoffrey FITZ PIERS, Earl of Essex