Lifespan: 15xx to Unknown
Name Changes: Kataaki → Sanzōsu → Nariyasu
Other Names: Ichirō, Chūzaemon
Rank: bushō
Title: Secretary of the Bureau of Civil Affairs, Governor of Kawachi
Clan: Hironaka (from the lineage of Minamoto no Yoriyoshi)
Lord: Ōuchi Yoshitaka → Ōuchi Yoshinaga → Mōri Motonari
Father: Hironaka Okikatsu
Siblings: Takakane, Kataaki
Children: Ichirō