Yamaguchi-gumi
>
The Sixth Yamaguchi-gumi is Japan's largest yakuza organization. It is named after its founder Harukichi Yamaguchi. Its origins can be traced back to a loose labor union for dockworkers in Kobe before World War II.
It is one of the largest... Wikipedia
Founder: Harukichi Yamaguchi
Leader(s): Kenichi Shinoda
Allies: Inagawa-kai
Founded: 1915; 109 years ago
Membership (est.): 3,500 members; 3,800 quasi-members