1. WILLIAM¹ DE CANTELUPE was born between 1131/2 and 1198, and died between 1191 and 1308.
Child:

+

2

i.

AGNES2 DE CANTELUPE of Basing, Hampshire, England, United Kingdom, b. about 1202 of Basing; d. about 1270; m. (ANC-1) LORD ROBERT ST. JOHN, b. in Basing about 1199, d. in March 1266.

2. AGNES² DE CANTELUPE (William¹) of Basing, daughter of (1) William¹ DE CANTELUPE, was born between 1169/70 and 1211 of Basing, and died between 1225 and 1321. She married (ANC-1) LORD ROBERT ST. JOHN, who was born about 1199 in Basing, and died in March 1266.
Child: See (ANC-1) Lord Robert ST. JOHN