Image for Grav: Sdim Cywilydd Mewn LlefainNot currently available on BBC iPlayer

Duration: 57 minutes

Ray Gravell, un o arwyr rygbi Cymru. Bum mlynedd yn ol bu camerau'r BBC yn ei ddilyn am 6 mis wedi iddo golli coes yn sgil clefyd siwgwr. Bu farw'n sydyn yn Hydref 2007. Dymuniad ei wraig a'i blant yw darlledu'r rhaglen yma er mwyn rhoi sylw i beryglon yr afiechyd. Ray Gravell, a true hero of Welsh rugby. Five years ago BBC cameras followed him for six months after he lost a leg due to diabetes. He died suddenly in the autumn of 2007. It's his family's wish that this programme is shown to raise awareness of the disease.

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