Question: In what 1942 British romance film did actress/singer Jane Birkin's mother star in?
Sentence (from "Judy Campbell"): Her daughter is the actress and singer Jane Birkin, her son the screenwriter and director Andrew Birkin, and among her grandchildren are the actresses Charlotte Gainsbourg and Lou Doillon, the late poet Anno Birkin, the artist David Birkin and the late photographer Kate Barry.
Relevant evidence: Yes