Question: Who is the maternal grandfather of Edward Of Middleham, Prince Of Wales?
Sentence (from "Edward of Middleham, Prince of Wales"): Edward of Middleham, Prince of Wales, Earl of Chester, Duke of Cornwall, 1st Earl of Salisbury (December 14739 April 1484), was the son and heir apparent of King Richard III of England by his wife Anne Neville.
Relevant evidence: Yes