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.

 Cecily De Valoignes
Cecily was born in 1276 in Thurston, Suffolk, England.

 Robert D'Ufford III Earl of Suffolk
Robert D'Ufford III Earl of was born on August 10th, 1298 in Thurston, Suffolk, England.  He died at the age of 71 on November 4th, 1369.