Question: What is the date of death of Beatrice Welles's mother?
Sentence (from "Beatrice Welles"): Beatrice Giuditta Welles (also known as Beatrice Mori di Gerfalco Welles; born November 13, 1955) is an American former child actress, known for her roles in the film "Chimes at Midnight" (1966) and the documentary travelogue "
Relevant evidence: No