In this Japanese name, the family name is Ishida.
Ishida Shigenari (石田 重成 , 1589 - 1641?) was a Japanese samurai of the early Edo era. He was also known as Sugiyama Gengo (杉山 源吾 ). The son of Ishida Mitsunari, Shigenari served as a retainer of the Tsugaru clan of Hirosaki.
The original article can be found at Ishida Shigenari and the edit history here.