Yn nes ymlaen bydd yn annerch ar brif lwyfan Pride, gan bwysleisio cefnogaeth Llywodraeth Cymru unwaith eto i fynd i'r afael â bwlio mewn ysgolion a gwella gwasanaethau iechyd i bobl draws.
He will later speak on the main stage at Pride where he will reiterate the Welsh Government’s support for tackling bullying in schools and improving health services for trans people.