Since Kayouin had been in Sunpu before Takechiyo was taken hostage, she could not have been able to secretly receive the child (Takechiyo) of Odai no kata from the ODA clan.
華陽院は竹千代が人質に出される前から駿府にいたため、織田方の於大の方の子を密かに受け取れる環境にない。