Henry II de Percy
Henry II was born in Alnwick, Northumberland, England.  He died on August 29th, 1272.  He was buried in Sallay.

 Eleanor Plantagenet de Warenne
Eleanor Plantagenet was born in 1251.  She died after 1282.

 John de Percy
John was born in 1270.  He died before July 20th, 1293.

 Henry III de Percy
Henry III was born on March 25th, 1273 in Alnwick, Northumberland, or Petworth, Sussex, England.  He died at the age of 41 on October 2nd, 1314.  He was buried in Fountains Abbey, Yorkshire, England.