Question: Harold Siddons is a descendant of which Welsh-born actress?
Sentence (from "Harold Siddons"): Harold Siddons (17 September 1922 – 4 November 1963) was a British film and television actor, appearing in "Genevieve", "The Dam Busters", "Appointment in London", "They Who Dare", "The Purple Plain", "Quatermass and the Pit", "A Night To Remember" and "The Wrong Arm of the Law".
Relevant evidence: No