Sir Guy V De Brienne
Sir Guy V was born in 1318 in Walwyns Castle, Laugharne, Pembrokeshire, Wales.  He died at the age of 72 on August 17th, 1390 in Tewkesbury Abbey, Gloucestershire, England.

 Elizabeth De Montague
Elizabeth was born in 1325 in Donyatt, Somerset, England.¹   She died at the age of 34 on May 31st, 1359 in Walwyns Castle, Pembrokeshire, Wales.¹ 

 Sir William De Bryan
Sir William was born on July 10th, 1350 in Walwyns Castle, Pembrokeshire, Wales.  He died at the age of 45 in 1395 in Kensing, Seal, Kent.

 Thomas De Bryan
Thomas was born in 1358 in Walwyns Castle, Pembrokeshire, Wales.  He died at the age of 86 on October 11th, 1444 in Cheddington, Buckinghamshire, England.

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