 It was shown a century later that John Sanford never owned Dred Scott, nor did he serve as executor of Dr. Emerson's will.It was unnecessary to find a New Yorker to secure diversity jurisdiction of the federal courts, as Irene Emerson Chaffee had become a resident of Massachusetts.After the U.S. Supreme Court ruling, Roswell Field advised Dr. Chaffee that Mrs. Chaffee had full powers over Scott.