요시다 시게루
Noted post-war Prime Minister Shigeru Yoshida was Makino's son-in-law. One of his grandchildren Ken'ichi Yoshida was a literary scholar. The former Prime Minister, Tarō Asō, is Makino's great-grandson. His great-granddaughter, Nobuko Asō, married Prince Tomohito of Mikasa, a first cousin of Emperor Akihito. In addition, Ijūin Hikokichi, the former minister of foreign affairs, was the brother-in-law of Makino.