The great-grandchild of Naokatsu and the lord of Kakegawa Domain during this period, Naotomo II, had a mental illness; this resulted in the Ii family's' Kaieki (forfeiture in rank of Samurai and properties).
直勝の曾孫である当時の掛川藩主・井伊直朝が精神病だったために改易となった。