Sir Maurice (the Resolute) de Berkeley
Maurice, known as the Resolute, was born in 1218.  He died at the age of 63 on April 4th, 1281.  He was buried in St. Augustine's, Bristol, Gloucestershire, England.

 Isabel Fitzroy
Isabel was born before 1229.  She died on July 7th, 1276.

 Thomas de Berkeley, 1st Lord Berkeley
Thomas, known as the Wise, was born in 1245 in Berkeley, Gloucestershire, England.  He died at the age of 76 on July 23rd, 1321 in Gloucestershire, England.