Who were the nine sisters of Avalon?

Answer 1

The nine sisters of Avalon were first mentioned in Vita Merlini by Geoffry of Monmouth. They were a group of immortal sorceresses who were led by Morgan Le Fay. They obvious resided in Avalon.

Answer 2

In Arthurian legend, the "nine sisters of Avalon" were often associated with the nine maidens who lived on the mystical Isle of Avalon. They were said to have healing powers and were guardians of sacred knowledge and wisdom. The most famous of the nine sisters was Morgan le Fay, who was a powerful sorceress and often portrayed as an antagonist in Arthurian tales.