William Fortibus or de Forz
William was born in 1155 in Fors,Poitou,France.  He died at the age of 40 in 1195 in Burstwick,Yorkshire,England.

 Hawise d'Aumale
Hawise was born in 1159 in Holderness,Yorkshire,England.  She died at the age of 55 on March 11th, 1214 in Holderness,Yorkshire,England.

 William Fortibus
William was born in 1175.  He died at the age of 67 in 1242.