Since his brothers Masatsugu SASSA and Magosuke (Naritsune) SASSA were killed in the war one after another, Narimasa took over the family estate and became the lord of the Hira-jo Castle in 1560. |
兄に佐々政次(政次)、佐々孫介(成経)がいたが、相次いで戦死したため、永禄3年(1560年)に家督を継ぎ、比良城主となる。 |