These Letters Patent must also be passed under the Welsh Seal and work will be put in hand to develop the first Welsh Seal since the time of Owain Glyndŵr.
Rhaid i'r Breinlythyrau hyn gael eu pasio hefyd o dan y Sêl Gymreig, ac eir ati maes o law i ddatblygu'r Sêl Gymreig gyntaf ers dyddiau Owain Glyndŵr.