Gilbert de Clare, 8th earl of Gloucester, was a strong supporter of Edward II and fought with him at the Battle of Bannockburn on the 24th of June 1314 where he was killed aged 23. He was also one of the Lords ordainers that in 1311 ordered the expulsion of his brother-in-law Piers Gaveston who was Edward's favourite.
Stained glass panel (1338-1340) depicting Hugh Despenser the Younger who was married to Eleanor the sister of Gilbert de Clare. Hugh Despenser became the favourite of Edward II but was especially disliked by Queen Isabella, and executed when Edward II was deposed in 1326.
The north west window in the chancel contains images of four knights who were important descendants of the Abbey's founder Robert Fitzhamon, along with Robert himself.
