William II de Lanvallei , Sir
William II de was born about 1155 in Wakerly, Essex, England.  He died before May 18th, 1205.

 Hawise de Boclande
Hawise de was born about 1157 in Buckland, Hertfordshire, England.  She died before July 19th, 1233.

 William III de Lanvallei , MCS, Sir
William III de was born about 1180 in Great Bromley, Essex, England.  He died in 1217 in Walkern, Hertfordshire, England.