津田塾大学
Kan married his wife Nobuko in 1970. Nobuko, born in Okayama Prefecture, entered a relationship with the Tokyo-dwelling Kan after entering Tsuda College. As the two are first cousins, the engagement was met with parental opposition. They have two sons, Gentarō and Shinjirō. Gentarō is a civil rights activist and lost in elections for the Lower House in 2003 and 2005. Shinjiro is a veterinarian and works at an animal hospital in Nerima, Tokyo.