Robert De Clifford Of Westmorland
Robert was born in 1305.  He died at the age of 39 on May 20th, 1344.

 Isabel De Berkeley
Isabel was born about 1307 in Berkeley Castle,Gloucestershire,England.  She died on April 25th, 1362.

 Roger De Clifford
Roger was born on July 10th, 1333.  He died at the age of 46 on June 13th, 1380.