1. WILLIAM¹ DE CHESNEY has an unknown birthdate. ^[1]
Child:

+

2

i.

ADELAIDE2 DE CHESNEY, b. about 1050/1; d. about 1100/1; m. (LL-1) OSBERT DE CONDET, d. about 1100[1].

2. ADELAIDE² DE CHESNEY (William¹), daughter of (1) William¹ DE CHESNEY, was born between 965/6 and 1116, and died between 1020/1 and 1226. She married (LL-1) OSBERT DE CONDET, who died about 1100^[1]. ^[1]
Child: See (LL-1) Osbert de CONDET