He was born in Kinokuni and is the ancestor of "Kishu Ishidoha".
The Kishu Ishido School is said to be the descendant of the Fukuoka Ichimonji descendants of Bizen Province.
In 1657 (Meireki 3), Yasuhiro received Bicchu Daijo and Bicchu no Kami and moved to Osaka.
As the founder of "Osaka Shidoha", he played a part in its prosperity.
Later, he produced a master craftsman representing the Osaka Ishido school,
the Mogami Daigyomono of Settsu, "Tatara Nagayuki".
This sword has a beautiful Fukuoka Ichimonji style Choji midare, which he is good at.