Hirotsuna was the son of [[Utsunomiya Naotsuna]]. Owing to strife within Shimotsuke following the death of Naotsuna, Hirotsuna was forced to flee to the [[Satake clan|Satake]] domain as a child. He was married to a daughter of [[Satake Yoshiaki]] and with Yoshiaki's assistance was able to recover the Utsunomiya domain, which had been lost earlier to [[Nasu Takasada]]. He was succeeded by his son Kunitsuna. | Hirotsuna was the son of [[Utsunomiya Naotsuna]]. Owing to strife within Shimotsuke following the death of Naotsuna, Hirotsuna was forced to flee to the [[Satake clan|Satake]] domain as a child. He was married to a daughter of [[Satake Yoshiaki]] and with Yoshiaki's assistance was able to recover the Utsunomiya domain, which had been lost earlier to [[Nasu Takasada]]. He was succeeded by his son Kunitsuna. |