Henry De Heton
Henry was born about 1365 in Chillingham, Northumberland, England.  He died on October 25th, 1399.

 Isabel De Monboucher
Isabel was born about 1369 in Horton, Tynemouth, Northumberland, England.  She died on October 23rd, 1426 in Chillingham, Northumberland, England.

 Margaret de Heton
Margaret was born on January 13th, 1395 in Chillingham, Northumberland, England.