NIGHTBRINGER | The Arthurian Encyclopedia

Lady of the Island of Fairies

Isle aux Phees

The Lady of the Island of Fairies, possibly identical to the Queen of Fairy Isle, was the sister of Pellinore.

Enraged at her brother’s murder by Gawain, she made all knights who visited the island swear to kill Gawain.


Source
Palamedes | c. 1240