is a Japanese samurai kin group.

History

The Tsuchiya clan descend from Taira no Yoshifumi. Tsuchiya Soen, his descendant in the 6th generation settled at Tsuchiya (Sagami Province) and took the name of the place.

Tsuchiya Masatsugu (1545-1575) was a retainer of the Takeda clan and died at the Battle of Nagashino (1575). His brother Masatsune 1556-1582) followed Takeda Katsuyori and died at the Battle of Tenmokuzan (1582).

According to "Kansei Choshu Shokafu" (Genealogies of

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