However, in 1578, he was attacked in his castle at Ōtate by Uesugi Kagekatsu—Kagetora's respective brother-in-law—and was subsequently defeated.
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Though Kagetora held the early advantage with the backing of Uesugi vassals such as Uesugi Kagenobu, Hōjō Hidetsuna, Kitajō Takahiro, and the Hōjō clan, the tide of the battle turned with Takeda Katsuyori's betrayal to Kagekatsu's side.
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His mother was the sister-in-law of Tooyama Yasumitsu, a vassal of the Hōjō clan (other sources say Zuikeiin, Ujiyasu's principle wife).
Uesugi Kenshin | Uesugi clan | Uesugi Kagekatsu | Uesugi Norimasa | Uesugi | Uesugi Kagenobu |