DIED A. D. 1336.
From The Irish Nation: Its History and Its Biography
By James and Freeman WillsEDMUND DE BURGO, the fourth son of Richard, the second earl of Ulster, was made custos rotulorum pacis, in the province of Connaught. He is however only mentioned here on account of the horrible manner of his assassination by a relative of his own, Edward Bourk MacWilliam, who contrived to fasten a stone to his neck, and drown him in the pool of Lough Measgh--a deed which occasioned frightful confusion, and nearly led to the destruction of the English in Connaught.
From this unfortunate nobleman descended two noble families, whose titles are now extinct, the lords of Castle-Connel and Brittas.