Koizumi family

The Koizumi family has been prominent in Japanese politics since the early 1900s. Notable members of this family include:

  • Matajirō Koizumi (1865–1951) Minister of Posts and Telecommunications, he was known as the "wild man" and "tattoo minister" because of a large dragon Irezumi tattoo on his back. While many other politicians of his era descended from the samurai class, Matajirō's father Yoshibe Koizumi was a scaffolder and commoner.
    • Jun'ya Koizumi (1904–1969) Son-in-law of Matajirō. Served as Director General of the Japanese Defense Agency.
      • Tetsugoro Iryo (1924/25–1945) nephew of Jun'ya and cousin of Junichirō Koizumi, died a kamikaze pilot.
      • Junichirō Koizumi (born 1942) son of Jun'ya and grandson of Matajirō. Former Prime Minister of Japan.
      • Kayoko Miyamoto (born 1956) ex-wife of Junichirō Koizumi.
        • Kotaro Koizumi (born 1978) actor, eldest son of Junichirō.
        • Shinjirō Koizumi (born 1981) politician, second son of Junichirō.
        • Yoshinaga Miyamoto (born 1983) third son of Junichirō, has never met his father until he reached adulthood.