Dictionary of National Biography, 1885-1900/Clarendon, Roger
CLARENDON, Sir ROGER (d. 1402), was reputed a bastard son of the Black Prince, and, being regarded as a possible pretender, was hanged by order of Henry IV in 1402. His execution was made the subject of one of the articles exhibited by Scrope against the king in 1405.
[Walsingham's Hist. Angl. (Rolls Ser.), ii. 249 ; Trokelowe et Anon. Chron. (Rolls Ser.), 340; Eulog. Hist. iii. 389; Stubbs's Const. Hist. iii. 36, 49.]