The Niwa clan was the most powerful samurai family in Miyama Province in Kozakura in 1357 DR.[1]

The Niwa controlled a large territory, and thanks to their allegiance with the Takenaka clan, their members were granted the position of shugo-daimyo, several shugodai positions, and many other jito positions on the largest shoen in Miyama.[1]



  1. 1.0 1.1 David Cook (1986). Swords of the Daimyo (Province Book of Miyama). (TSR, Inc), p. 11. ISBN 0-88038-273-2.

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