Vaughan Roderick a'i chwaer Sian sy'n ceisio dysgu rhagor am William Williams, Pantycelyn. Vaughan Roderick and his sister Sian attempt to learn more about William Williams. Show more
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Vaughan Roderick a'i chwaer Sian sy'n ceisio dysgu rhagor am William Williams, Pantycelyn. Vaughan Roderick and his sister Sian attempt to learn more about William Williams. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
