孫安主 originated from Hiroo as the founder of the Oga clan, and 孫仲澄, who also originated from Hiroo, was given a territory in Omi Province and settled in that area.
彼の系統からは孫安主が相賀氏の祖となり、同じく孫仲澄が近江国に所領を与えられて土着した。