Mae Dei yn cael ei dywys o amgylch Y Rhondda gan frodor o'r ardal, John Geraint. Dei is introduced to the Rhondda by John Geraint. Show more
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Mae Dei yn cael ei dywys o amgylch Y Rhondda gan frodor o'r ardal, John Geraint. Dei is introduced to the Rhondda by John Geraint. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
