When Tadaoki HOSOKAWA took part in conquering the Aizu region in July 1600, Hidekiyo, who was a chief retainer to Tadaoki, was ordered to keep the Tadaoki's Osaka residence with Kazunari KAWAKITA IWAMI, Sukenao INADOME and others during the absence of the lord.
慶長5年（1600年）6月、細川忠興が会津征伐に従軍すると、家老であった秀清は、河喜多（川北）石見一成、稲富祐直らとともに大坂屋敷の留守居を命じられた。