Stori Nadoligaidd hyfryd ar fydr ac odl am ddau blentyn bach sy'n methu cytuno ai Siôn Corn neu Santa Clôs yw enw'r dyn barfog â'r got goch sy'n dod ag anrhegion iddyn nhw bob Nadolig.
A charming, rhyming story about two children who are unable to agree whether the bearded gentleman with the red cloak who brings gifts each Christmas is called Siôn Corn or Santa Clôs.
