The sixty-year-old damsel of Arroy brought Yvain (Ywaine) to visit this “much corteous” lady, who complained to him of Sirs Edward of the Red Castle and Hue of the Red Castle. They had extorted a barony from her.
When she lodged Ywaine during his adventures, he heard her tale and became furious at the injustice. He called for a meeting with the two knights and challenged them to a duel for the lady’s lands. He defeated them both at once, killing Edward. Hue gave the lands back to the Lady.
Source
Le Morte Darthur | Sir Thomas Malory, 1469-1470