Question: Who is Joan Welles, 9Th Baroness Willoughby De Eresby's mother?
Sentence (from "Robert Welles, 8th Baron Willoughby de Eresby"): Robert Welles, 8th Baron Willoughby de Eresby and 8th Baron Welles (died 19 March 1470), was the son of Richard Welles, 7th Baron Welles, and Joan Willoughby, 7th Baroness Willoughby de Eresby.
Relevant evidence: Yes