Jili Ffrtawn are female Tylwyth Teg, one of which appears in "Curses".
In the seriesEdit
In Curses, the Jili Ffrtawn are proud, flirty, high-ranking women of the Tylwyth Teg. One of them works at the Llyn y Fan Fach Tavern, and leads Harry Dresden to meet King Gwynn ap Nudd.
The term is welsh.