Robert De Peyton De Ufford
Robert De Peyton was born in 1236 in Thurston, Suffolk, England.

 Mary De Saye
Mary was born in 1244.  Mary is no longer alive.

 Robert D'Ufford II Earl of Suffolk
Robert D'Ufford II Earl of was born on June 11th, 1279 in Thurston, Suffolk, England.  He died at the age of 37 on September 9th, 1316.