However the latest research shows that Shinkuro was likely to be Moritoki ISE, Shogun's vassal from the Ise clan (a family of pedigree serving as stewards of the bakufu mandokoro [the administrative board]) in Bitchu.
しかし、近年の研究で新九郎は幕府政所執事の名門伊勢氏の一族で備中伊勢氏の幕臣伊勢盛時であることがほぼ明らかになっている。