William IV Baron Percy De Percy
William IV Baron Percy was born in 1193 in Of, Alnwick, Northumberland, England.¹   He died before July 1245.  He was buried before July 1245 in Salley Abbey, Craven, Yorkshire, England.^1 1 

 Eleanor De Baliol
Eleanor was born in 1206 in Red Castle, Augushire, Scotland.^1 1 

 Ingelram De Percy Lord Topcliff
Ingelram De Percy Lord was born in 1216.^1 1 

 Alan De Percy
Alan was born in 1218.^1 1 

 Walter De Percy
Walter was born in 1222.^1 1 

 William De Percy
William was born in 1224.^1 1 

 Josceline De Percy Lord Linton
Josceline De Percy Lord was born in 1227.^1 1 

 Geoffrey De Percy Lord Semar
Geoffrey De Percy Lord was born in 1231.^1 1 

 Henry II De Percy
Henry II was born in 1235 in Petworth, Northumberland, England.¹   He died at the age of 37 on August 29th, 1272 in Sallay, England.¹