Among the 9 people, the latter four people lived long until the period under the Meiji Constitution: Hirobumi ITO, Kaoru INOUE, Aritomo YAMAGATA and Kinmochi SAIONJI.
九名のうち、明治憲法下の世まで長生きしたのは後半の四名、伊藤博文、井上馨、山縣有朋、西園寺公望。