Nicholas de Stafford
Nicholas was born about 1243.  He died in 1293.

 Alianore Clinton
Alianore was born about 1248.  Alianore is no longer alive.

 Edmund de Stafford
Edmund was born on July 17th, 1273 in Stafford, Staffordshire, England.  He died at the age of 35 on August 12th, 1308 in Stafford, Staffordshire, England.  He was buried in Church of Friars Minors, Stafford, Staffordshire, England.