His descendants were stated in the thesis 'The Last Lord of Gifu-jo Castle - Hidenobu IDA's Death and his Descendants' which was written by Hiroyuki KANO and posted in the 13th edition of "The Unification of Japan" in 2000.
2000年に『天下布武』第13号に掲載された加納宏幸の論文「最後の岐阜城主・織田秀信終焉の地とその子孫」がこれら末裔に関して記している。