William de PERCY
William de was born in 1112.  He died at the age of 56 in 1168.

 Adeliza de CLARE
Adeliza de was born about 1115 in Tunbridge, Kent, England.  Adeliza de is no longer alive.

 Agnes de PERCY
Agnes de was born in 1137 in Egmanton, Nottingham, England.  She died at the age of 68 in 1205.