It was at Rhuddlan that Edward declared he would appoint ‘a prince who was born in Wales, could speak no English, and whose life and conversation nobody could stain’.
Yn Rhuddlan hefyd y cyhoeddodd Edward y byddai'n penodi ‘tywysog a aned yng Nghymru, na fedrai Saesneg, ac na allai neb staenio ei fywyd a’i ymgom’.