William de Percy

• 
• Born in 1193 in Topcliffe
• Deceased on July 28, 1245 in Hartlepool, at the approximate age of 51 years

Parents

• Henry de Percy (1156 - 1198), chevalier, baron de Percy
• Isabelle de Bruce (1160 - 1230)

Family

• Married with Ellen de Balliol (1206 - ), issuing
  • Henry (c. 1228 - 1272)
• Married with Joan de Briwere