Background
Hon-Imbo Shusai was born in 1874.
本因 坊秀哉
Hon-Imbo Shusai was born in 1874.
He was a disciple of both Shuho and Shuei, the 18th and 19th hon-imbo. After Shugen, the 20th hon-imbo, retired (1908) he succeeded to the title and was promoted to the eighth grade.