However, in October 2007, ancestral records was found together with a statue of Takakage from a house of his descendant samurai of the domain of Ashimori; and according to the records, Hideaki had a son called Hideyuki DOI with a concubine and Hideyuki's descendants were serving for Ashimori-Kinoshita clan.
ただし、2007年10月、秀秋には側室所生の子土肥秀行がおり、足守木下家に仕えて存続したとする家伝が、隆景像とともに子孫である足守藩士の家から発見された。