Maurice (The Resolute) De Berkeley
Maurice, known as The Resolute, was born about 1218 in Berkeley,Gloucester,England.  He died on April 4th, 1281 in Berkeley,Gloucester,England.

 Lady Isabel Plantagenet
Isabel was born about 1245.  She died about 1292.

 Thomas (The Wise) De Berkeley
Thomas, known as The Wise, was born in 1245 in Berkeley Castle,Gloucester,England.  He died at the age of 76 on July 23rd, 1321 in Bristol,Gloucester,England.