1. The merciless witch is one of the poems written by John Keats (1795-1821).
2. At that time, Keats' relationship with Fanny was developing rapidly.
3. The title of this poem is in French. It was originally the name of a song in Provence, France.
4. The poem is written in the form of folk songs, with simple paragraphs, simple words, simple and attractive rhythm, and filled with a medieval sentiment.