The Parentage of Edward of Lancaster

No historical novel set during the Wars of the Roses is quite complete unless it contains a passage where the parentage of Henry VI and Margaret of Anjou's son, Edward of Lancaster, is called into question. Philippa Gregory's latest effort duly follows this rule by having Jacquetta Woodville tell her daughter that Henry was "struck deaf and dumb nearly for the whole year that the child was conceived and born" and that Margaret took a lover during this time. (In fact, Henry did not go mad until e