Onamihime was the first daughter of Date Harumune, sister of Date Terumune and aunt of Date Masamune.
10 Facts About Onamihime
1.
2.
Onamihime was the ruler of Sukagawa castle in Mutsu Province.
3.
Onamihime was best known for being a potential enemy of her nephew, Masamune, participating in several campaigns against expansion of the Date clan in the region of Oshu.
4.
Onamihime was married off to Nikaido Moriyoshi and they had two sons, Heishiro and Yukichika.
5.
Onamihime fought in the Battle of Hitotoribashi alongside Ashina, Soma, Hatakeyama and Satake against Date clan.
6.
Masamune with only 7,000 troops prepared a defensive strategy, Onamihime commanded her troops to attack but Masamune used a strategic defense and the allied forces retreated.
7.
In 1588, Onamihime allied again with Ashina and Soma clan to counter Date Masamune in Battle of Koriyama.
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Date Masamune 8.
However, she wasn't going to live with this; Onamihime, who hated Masamune, left to live with Iwaki Tsunetaka, who was another nephew.
9.
The Satake clan allied to the Western Army and Onamihime went along in the Battle of Sekigahara.
10.
The Satake's was moved to Dewa by Tokugawa order in 1602, and it was on the way up to Dewa, while passing her old castle in Sukagawa, that Onamihime died in 1602 and was buried there.