People Siôn ap Hywel Gwyn peoplepill id: sion-ap-hywel-gwynSAHG 2 views today 10 views this weekSiôn ap Hywel GwynBiographyListsAlso ViewedListsSiôn ap Hywel Gwyn is in following listsBy field of workNotable people in literatureGender:MaleBy work and/or countryNotable PoetsGender:MaleFrom our partnersSponsoredSiôn ap Hywel Gwyn