Elaine is a name shared by several female characters in Arthurian legend, where they can also appear under different names depending on the source. They include Elaine of Astolat, among others.
Elaine by Sophie Gengembre Anderson (1873)
Aubrey Beardsley, "How Sir Launcelot was known by Dame Elaine" (1893)
Morgan le Fay, alternatively known as Morgana, Morgain, Morgant, Morgne, Morgayn, Morgein, and Morgue among other names and spellings, is a powerful and ambiguous enchantress from the legend of King A
Elaine (legend)
…Tintagel, and originally known as Blasine (Blaasine, Basyne) in the Vulgate Merlin, is one of the daughters of Gorlois and Igraine. She is a sister to Morgan and Morgause and a half-sister to Arthur. Elaine marries King Nentres of Garlot and has a son named Galeschin, who becomes a Knight of the Round Table…
Morgan le Fay by Frederick Sandys
A detail of The Last Sleep of Arthur in Avalon by Edward Burne-Jones (1898), showing Morgan (with her sisters) in her initial literary portrayal and role from Geoffrey of Monmouth's 12th-century poem Vita Merlini
Morgan le Fay by Edward Burne-Jones (1862)
Henry Fuseli's Prince Arthur and the Fairy Queen (c. 1788)