Gilbert de Clare , Earl of Gloucester& Hertford
Gilbert de was born about 1180 in Hertford, Hertfordshire, England.  He died on October 25th, 1230 in Penrose, Brittany, France.  He was buried on November 10th, 1230 in Tewksbury, Gloucestershire, England.

 Isabel Marshal
Isabel was born on October 9th, 1200 in Pembroke, Pembrokeshire, Wales.  She died in Birkhampstead, Hertfordshire, England.  She was buried in Beaulieu, Southampton, England.

 Richard de Clare , Earl Gloucester & Hertford
Richard de was born on August 4th, 1222 in Gloucestershire, England.  He died at the age of 39 on July 15th, 1262 in John Griol's Manor, Ashenfield, Waltham, Kent, England.  He was buried on July 28th, 1262 in Tewksbury, Gloucestershire, England.

 Isabel de Clare
Isabel de was born on November 2nd, 1226 in Tewksbury, Gloucestershire, England.  She died after July 10th, 1264 in Cleveland, Yorkshire, Scotland.

 William de Clare
William de was born on May 18th, 1228 in Gloucestershire, England.  He died at the age of 30 on July 23rd, 1258 in Retherford, Berwickshire, Scotland.  He was buried in Dureford Abbey, Rogate, Sussex, England.