Llywelyn Bren (), Hugh Despenser the Younger's reputedly unlawful execution of Llywelyn Bren helped to lead to the eventual overthrow of both Edward II and Hugh.
Lineage
Llywelyn Bren was a Welsh nobleman of the minor royal house of the cantref of Senghenydd, and Miscin, and was also a descendant of Ifor Bach, his great-grandfather of the Deheubarth dynasty in medieval Wales. Llywelyn was sent as a prisoner first to London in July 1316, and the Tower of London from 27 July 1316 to 17 June 1317. However, historian Kathryn Warner has claimed that Llywelyn's execution was most likely carried out "at the command of the king himself".
With the Despensers' return to Edward's court, Lleucu and her sons were again imprisoned, this time in Bristol Castle,