I rousted them off Agnes Richards White on the grounds that since we don't know her father's first name, we probably don't know his parents either.
Anthony Richards - dates are suspicious, other sources say he was born c. 1420.
William Richards - can't document Raxworthys in Somerset that early, but who knows? (Ancestry.co.uk claims she was born in Aldgate, London, in 1450, which is rather a hike from Somerset.)