Baron Henry Beaumont
Henry was born in 1340.  He died at the age of 28 in 1368.

 Margaret deVere
Margaret was born about 1344 in Herefordshire,England.  She died on June 15th, 1398.  She was buried in Grey Friars,London,Middlesex,England.

 Baron John Beaumont
John was born in 1361.  He died at the age of 35 on September 9th, 1396.