Sir Llewys Monmoth is the only son of Lord Yven Monmoth, and as a result is the heir to House Monmoth. Llewys' mother is from a far-southern isle where the populace have black skin, which has given him a distinct dark complexion unique among the Western lords. He was a squire together with his cousin Jaster Blackthorne and Cletus Cogworth; the three formed a close bond. Llewys was present during the Massacre at the Riverford and was forced to leave Jaster behind to die as he led the survivors of the battle south to Everglow City where he currently resides.