18:15Beti a'i PhobolAlwen WilliamsBBC Radio Cymru Duration: 44 o funudau Thu 18th Feb 2016, 18:15 on BBC Radio CymruAvailable for over a yearGwrando nawrBeti George yn holi rhai o bobl mwyaf diddorol Cymru, heddi Alwen Williams, Pennaeth newydd BT. Beti George interviews some of Wales's most interesting people.GenresFactualLife StoriesBrandBeti a'i Phobol Source: BBC Online