Thomas de Berkeley the Rich Lord Berkeley
Thomas de Berkeley the Rich was born in 1292 in Berkeley, Gloucestershire.  He died at the age of 69 on October 27th, 1361 in Berkeley, Gloucestershire.

 Margaret de Mortimer
Margaret was born in 1308.  She died at the age of 29 on May 5th, 1337.

 Maurice the Valiant de Berkeley Lord Berkeley
Maurice the Valiant de Berkeley was born in 1330.  He died at the age of 38 on June 8th, 1368.