Leonie Tremblay (née Lestrange) was a witch and a member of the Tremblay family. She was the daughter of Falco Lestrange and Salomé Lestrange. She had a sister Eglantine. She married Bernard Tremblay and had two children with him, daughter Clarisse and son Falco.
- Fantastic Beasts: The Crimes of Grindelwald (Name appears on family tree)