William De+ Percy
William De+ was born in 1105 in Topcliffe, Yorkshire, England.  He died in Sallay, Craven, Yorkshire, England.

 Adelizia De+ Clare
Adelizia De+ was born in 1108 in Tunbridge, Kent, England.  She died before 1166.

 Agnes De+ Percy
Agnes De+ was born about 1126 in Alnwick, Northumberland, England.  She died before October 13th, 1204 in Petworth, Sussex, England.

 Alan De+ Percy
Alan De+ was born about 1128 in Whitby, Yorkshire, England.

 Maud De Percy
Maud De was born about 1135.  She died before October 13th, 1204.