Koizumi family

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

Matajirō Koizumi - 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 - Son-in-law of Matajirō. Served as Director General of the Japanese Defense Agency.
** Tetsugoro Iryo - nephew of Jun'ya and cousin of Junichirō Koizumi, died a kamikaze pilot.
** Junichirō Koizumi - son of Jun'ya and grandson of Matajirō. Former Prime Minister of Japan.
** Kayoko Miyamoto - ex-wife of Junichirō Koizumi.
*** Kotaro Koizumi - actor, eldest son of Junichirō.
*** Shinjirō Koizumi - politician, Minister of Defense, second son of Junichirō.
*** Yoshinaga Miyamoto - third son of Junichirō, has never met his father until he reached adulthood.