Gilbert the Red de Clare
Gilbert the Red was born on September 2nd, 1243 in Christchurch, Hampshire, England.  He died at the age of 52 on December 7th, 1295 in Monmouth Castle, Gwent, England.  He was buried on December 22nd, 1295 in Tewkesbury Abbey, Gloucester, England.

 Alice de Lusignan of Angouleme
Alice de Lusignan of was born about 1243.

 Joan de Clare
Joan was born about 1268.  She died after 1322.

 Isabella de Clare
She died in 1338.