Amicia Fitzrobert, countess of Gloucester, was born in 1142 and died in 1185 at the age of 43. She married Richard De Clare, son of Roger De Clare and Maud De St. Hilary, in 1168. He was born in 1153 in Turnbridge Castle, Kent, England and died on December 30, 1218 at the age of 65.

Gilbert De Clare, iV Earl of Gloucester, son of Richard De Clare and Amicia Fitzrobert, was born in 1182 in Hertford, Herfordshire, England and died on October 25, 1230 in Penrose, Brittany, France at the age of 48. He married Isabel Marshall, daughter of William Marshall and Isabel Fitzgilbert De Clare, on October 9, 1217 in England. She was born on October 9, 1200 in Pembroke Castle, Pembrokeshire, Wales and died on January 15, 1239 in Berkhamstead, Hertfordshire, England at the age of 38.

Isabel De Clare, daughter of Gilbert De Clare and Isabel Marshall, was born on November 2, 1226 and died in 1254 at the age of 27. She married Robert Bruce, son of Robert Bruce and Isabella Of Huntingdon, in May 1240. He was born in 1210 in Annandale, Dumfriesshire, Scot and died on March 31, 1295 in Priory, Lochmaben, Dumfriesshire, Scot at the age of 85.

Richard De Clare, Earl Of Gloucester, son of Gilbert De Clare and Isabel Marshall, was born on August 4, 1222 and died on July 15, 1262 at the age of 39. He married Maud De Lacy, Countess Of Gloucester on January 25, 1237 in Lincoln, Lincolnshire. She was born in 1223 in Abt. Lincoln, Lincolnshire, England.