Henry Percy
Henry was born in 1160 in Alnwick, , Northumberland, England.  He died at the age of 36 in 1196.  He was buried in 1196 in Rouen, , , France.

 Isabel De Brus
Isabel was born about 1160 in Skelton, , Yorkshire, England.

 William Percy
William was born in 1193 in Alnwick, , Northumberland, England.  He died at the age of 52 in 1245.  He was buried in 1245.