Honda Tadakatsu
was a general under the Sengoku period "daimyō", and later "shōgun", Tokugawa Ieyasu. He is regarded as one of the Four Guardians of the Tokugawa along with Honda Tadakatsu, Sakakibara Yasumasa, and Sakai Tadatsugu. He led the clan after the death of his foster mother, Ii Naotora. He married Tobai-in, Matsudaira Yasuchika's daughter and adopted daughter of Tokugawa Ieyasu.