Matsudaira Sadakatsu [松平定勝] daimyo; half brother of Tokugawa Ieyasu (1560–1624) Parents Odai no kata Hisamatsu Toshikatsu Children Matsudaira Sadafusa Matsudaira Sadayuki Kumahime Matsudaira Sadayoshi Matsudaira Sadatsuna Matsudaira Sadazane Matsudaira Sadamasa Siblings Takehime Matsudaira Yasutoshi Tokugawa Ieyasu Matsudaira Yasumoto Hisamatsu Nobutoshi
