Taira Tadatsune

Japanese warrior

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July 14, 2026

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Taira Tadatsune was a Japanese warrior who attempted to reestablish Taira domination over the Kantō district in 1028. The Imperial court dispatched Minamoto Yorinobu to quell this rebellion, and Tadatsune surrendered three years later. This event marked a decline for the Taira family, allowing the Minamoto family to grow in power.1

Tadatsune's actions were part of a larger struggle for influence between powerful warrior clans in Japan. His father, Taira Masamori, had previously served the Imperial court, and his son, Taira Tadamori, continued to enhance the Taira clan's standing by subduing pirates and supporting the court against rivals like the Minamotos. Despite these efforts, the Taira family's dominance eventually waned, leading to their destruction in the 12th century.21

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Taira Family
Origins and first period of power.
In 1028, when Taira Tadatsune attempted to reestablish Taira domination over the Kantō, the court dispatched another warrior, Minamoto Yorinobu, to quell the rebellion, and three years later, Tadatsune surrendered. As a result the Taira family began to decline, and the Minamoto family, descendants of Seiwa, the 56th…
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In 1028, when Taira Tadatsune attempted to reestablish Taira domination over the Kantō, the court dispatched another warrior, Minamoto Yorinobu, to quell the rebellion, and three years later, Tadatsune surrendered. As a result the Taira family began to decline, and the Minamoto family, descendants of Seiwa, the 56th…
Read More