Sekiyama Toshio
Keywords: People
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関山利夫
(1937–1992) Kansai Ki-in 9 dan pro. Son of Sekiyama Riichi (関山利一).
Hasegawa Sunao, Sekiyama Toshimichi (his son), Shimada Yoshikuni, and Konno Tameto are his pupils.
Sekiyama Toshio was the third of Japan’s first five-generation professional Go family.
He was the son of Sekiyama Riichi 9p, grandson of Sekiyama Moritoshi 4p, father of Sekiyama Toshimichi 9p, and grandfather of Sekiyama Honoka 1p.