From the Norman French form of the Welsh name
Gwenhwyfar, derived from the elements
gwen meaning "fair, white" and
sebara meaning "phantom, magical being". In Arthurian legend she was the beautiful wife of King
Arthur. According to the 12th-century chronicler Geoffrey of Monmouth, she was seduced by
Mordred before the battle of Camlann, which led to the deaths of both Mordred and Arthur. According to the 12th-century French poet Chrétien de Troyes, she engaged in an adulterous affair with Sir
Lancelot.
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