Elaine of Corbenic disguises herself as this woman to get pregnant with Galahad.
This figure is struck by her sister in one of the Three Harmful Blows of Welsh mythology. After Meleagant's abduction of this person, a Sword Bridge was crossed by the Knight of the Cart to save her, and Gaheris perishes during the rescue of this woman from a burning stake, indirectly causing the Battle of (*) Camlann. Elaine of Corbenic disguises herself as this woman to get pregnant with Galahad. Her father, King Leondegrance, donated a Round Table upon her marriage to a man who pulled a sword from a stone. For 10 points, identify this Queen of Camelot and lover of Sir Lancelot, King Arthur's unfaithful wife.
This figure is struck by her sister in one of the Three Harmful Blows of Welsh mythology.
Guinevere [or Gwenhwyfar]