Robert James "Jeduthyn" 1825-1879  
A musician, was a native of Aberdare, but removed at an early age to Merthyr Tydfil. He spent about five years in Australia, but afterwards settled in Pennsylvania, where he held the office of Clerk of the Courts of Luzerne County. He won several Eisteddfodic prizes for musical compositions, and, while at Merthyr Tydfil, he published a collection of tunes under the title of "Organ y Cyssegr." He was a very successful choir conductor, and was one of the early teachers of Dr. Joseph Parry, whose sister he had married. (B. Cerddorion Cymreig.)