Edward Williams, a stonemason from the Vale of Glamorgan, was a gifted poet, antiquary and radical. In 1792 he held the first Gorsedd of the Bards of the Isle of Britain on Primrose Hill in London.
He also forged medieval poems and documents so skilfully that they fooled scholars for a century. His Gorsedd became part of the National Eisteddfod in 1819 and remains at its heart today.
Saer maen o Fro Morgannwg oedd Edward Williams, bardd, hynafiaethydd a radical dawnus. Yn 1792 cynhaliodd Orsedd gyntaf Beirdd Ynys Prydain ar Fryn y Briallu yn Llundain.
Ffugiodd hefyd gerddi a dogfennau canoloesol mor fedrus nes twyllo ysgolheigion am ganrif. Daeth ei Orsedd yn rhan o’r Eisteddfod yn 1819 ac mae’n dal wrth ei chalon heddiw.