Rhys Gryg ("Rhys the Hoarse"; died 1234), real name Rhys ap Rhys, also known as Rhys Fychan ("Rhys the Younger"), was a Welsh prince who ruled part of the Kingdom of Deheubarth.
^Siddons M P: 'The Development of Welsh Heraldry', Vol. 1, p. 289, NLW 1991.