Mae'r cwcis hyn yn gwbl angenrheidiol ar gyfer weithrediad y wefan.
Rydym yn defnyddio Google Analytics i fesur sut ydych yn defnyddio'r wefan er mwyn i ni ei wella yn seiliedig ar angen defnyddwyr.
Gall y cwcis hyn gael eu gosod gan wefannau trydydd parti a gwneud pethau fel mesur sut rydych yn gwylio fideos YouTube.
Amgueddfa Cymru
Owain in armour, on horseback to the right; his right hand holds a sword extended, his left hand grasps a shield; quarterly, a lion rampant in each quarter; a kerchief de plesaunce pendant from his right wrist; his helmet surmounted by crown and mantling, and crest of winged dragon with two feet; horse's trapper bears quarterly, four lions rampant, and its head a crest of a similar winged dragon: in field, flowering foliage. (The four lions rampant, the ancient arms of Gwynedd, summedup Owain's aspirations)
