In this case, vassals of the Oishi family were baishin (indirect vassal) of the Asano family, and the Asano family did not have the right to directly give orders to vassals of the Oishi family.
この場合、大石家の家臣は浅野家の陪臣であり、浅野家は大石家の家臣に直接の命令権を持たなかった。