Nobutane served [[Takeda Shingen|Shingen]] as a leader of cavalry and was killed by gunfire at the [[Battle of Mimasetoge]] in 1569. His death is said to have grieved Shingen.
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Nobutane served [[Takeda Shingen]] and in [[1568]] was moved to [[Minowa castle]] in [[Kozuke province|Kôzuke Province]]. He was killed by gunfire at the [[Battle of Mimasetoge]] in [[1569]]. The [[Asari clan|Asari]] later became retainers of the [[Tokugawa clan|Tokugawa]].