Powys-Lybbe forbears
| William (II) de Lanvalay ( - <1205) |
Alan Basset Lord of Wycombe ( - ca1233) |
| Hawise de Boclande ( - <1233) |
Aline de Gai |
| William (III) de Lanvalay Lord of Stanway | Hawise Basset |
 b. d. 1217 . Of Stanway castle, Essex. Governor of Colchester castle. |
b. d. . |
Children
| > Hawise de Lanvalay < |