Jinmaku Kyūgorō (陣幕 久五郎; June 4, 1829 – October 21, 1903) was a Japanese professional sumo wrestler from Itō, Izumo Province. He was the sport's 12th yokozuna and one of its most important record keepers and historians.
Source: “Jinmaku Kyūgorō”, English Wikipedia (CC BY-SA 4.0), excerpt