(3) Isaac Boone, b. 27 July 1739, d. 1794 ----- [Note: citing Boone Family Association, Bulletin No. 6, 1930, pages 27-28, written by Hazel Spraker in which she states that it was proved that Isaac Boone of Berks Co, PA, was also a son of Joseph Boone, by evidence of old wills that Hugh and Isaac were brothers.]