Black Agnes

Black Agnes was one of three night hags. Black Agnes was nursemaid to Sholto and later became one of his lovers. She resented his desire for sidhe flesh.

Mistral's Kiss
Meredith accidentally went through a conjured door to the Sluagh sithen, and  arrived in the dead garden of the Sluagh.She was there confronted by Sholto, King of the Sluagh, and Lord of That Which Passes Between, and his two night hags, Agnes and Segna. Meredith discovered that Sholto’s tentacles have been cut off by Seelie attackers. The hags believed that Meredith was part of the conspiracy against their king.