It is said that 1,400-1,500 elite units of Negoro shu including the castle commander Sadahito OTANI (大谷左大仁) and 4,000-5,000 noncombatants including women and children took refuge in Sengokubori-jo Castle.
千石堀城に籠るのは城将大谷左大仁以下根来衆の精鋭千四、五百人、他に婦女子など非戦闘員が四、五千人加わっていたとされる。