Chikara OISHI was admitted to the radical Edo faction by his father Kuranosuke whereupon his pregnant wife Riku, his first daughter Kuu, his second son Kichinoshin, his second daughter Ruri were sent to his wife's hometown in Toyoka the following April, 1702.
大石主税は盟約に加わることを望み、内蔵助はこれを許した（妊娠中の妻りく、長女くう、次男吉之進、次女るりは翌年元禄15年（1702年）4月に妻の実家の豊岡市へ帰した。