When the Takeda clan was extinguished, the Atobe clan, a branch family of the Kai-Takeda clan served as shugodai until the Sengoku period, and became a vassal of the Tokugawa clan betraying the master family.
戦国時代まで甲斐武田氏の庶流にして守護代であった跡部氏は、武田氏滅亡の折、主家に叛いて後に徳川氏の家臣となる。