Masanao was a son of Komai Masatake and at first served the Takeda. When Fukuzawa castle was taken from the Hôjô family in 1571, Masanao was established there. After the fall of the Takeda family in 1582, he found service within the Tokugawa and became a retainer of Sakikabara Yasumasa.
References
- Initial text from Sengoku Biographical Dictionary (Samurai-Archives.com) FWSeal & CEWest, 2005