Morgan le Fay likely originated in Celtic mythology (Welsh in particular). Because the Morgan of medieval romance and legend is often presented as the wife of King Urien and the mother of Yvain, some have linked her to the the Welsh goddess Modron, who is described in the Welsh Triads as the daughter of Avallack, wife of Urian of Reghed, and mother of Owain. Scholars such as Norris Lacy and Lucy Allen Paton assert that these connections all but prove that she is descended from the Welsh Modron, and that her name may also have come from the folklore of Brittany (where certain fairy-sprites are referred to as "mari-morgans"). Another popular theory on Morgan's Celtic origins is that she is based upon the Irish battle-goddess Morrigan. There
