Records of the Oba family, the governors of the Setagaya region, an outland of the Ii family, also indicate that Naosuke had been at home struggling with a disease and that the Oba family's Kenin (slaves of nobles) were praying for his recovery.
井伊家の飛び地であった世田谷領の代官をつとめた大場家の記録によると、表向きは闘病中とされていた直弼のために、大場家では家人が病気平癒祈願を行なっている。