Y deintydd Osian Davies yw un o westeion Heledd Cynwal, felly byddwch barod i wenu! Heledd Cynwal sits in for Shân Cothi, and is joined by dentist Osian Davies. Show more
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Y deintydd Osian Davies yw un o westeion Heledd Cynwal, felly byddwch barod i wenu! Heledd Cynwal sits in for Shân Cothi, and is joined by dentist Osian Davies. Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
