- Mr. Warbeck - father of Celestina, a wizard who worked at the Ministry of Magic
- Mrs. Warbeck - mother of Celestina, a Muggle actress
- Celestina Warbeck - famous in the wizarding world as the "singing sorceress", wife of Irving Warble.
- Celestina Warbeck's son (possibly a Squib)
Warbeck may come from warbler, which is a singing bird.