OlwenfWelsh, Welsh Mythology, Arthurian Cycle Means "white footprint" from Welsh ol "footprint, track" and gwen "white, blessed". In the Welsh tale Culhwch and Olwen she was a beautiful maiden, the lover of Culhwch and the daughter of the giant Yspaddaden. Her father insisted that Culhwch complete several seemingly impossible tasks before he would allow them to marry.