Richard de Clare 5th Earl of Gloucester
Richard was born on August 4th, 1222.  He died at the age of 39 on July 15th, 1262.  He was buried in Tewkesbury, Gloucestershire, England..

 Matilda de Lacy
She died before 1289.

 Gilbert (the Red) de Clare 6th Earl of Gloucester
Gilbert, known as the Red, was born on September 2nd, 1243 in Christchurch, Hertfordshire, England.  He died at the age of 52 on December 7th, 1295 in Monmouth Castle, Monmouth, Monmouthshire, Wales.  He was buried in Tewkesbury Abbey, Tewkesbury, Gloucestershire, England..

 Thomas de Clare, Lord of Thomond