This article does not cite any sources. Please help by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: – ···scholar·JSTOR(March 2007) (Learn how and when to remove this template message)
Some of this article's listed sourcesmay not be reliable. Please help this article by looking for better, more reliable sources. Unreliable citations may be challenged or deleted.(July 2007) (Learn how and when to remove this template message)
Toyomori negotiated a peace treaty with the Hōjō clan in 1570, just a year after Toyomori became a hatomoto. While Kenshin was out fighting elsewhere, he entrusted the defense of Kasugayama Castle to Toyomori. Toyomori died of illness in 1577.
