Ogasawara Nagachika

Ogasawara Nagachika, also called Awa no Matatarō, was a Kamakura warrior and a son of Ogasawara Nagafusa, shugo of Awa Province. For his service in the Kōan campaign against the second Mongol invasion in 1281, he was granted the Mura estate in Ōchi district, Iwami Province, where he settled and founded the Iwami Ogasawara line.

He married a daughter of the local lord Masuda Kanetoki. He was charged with guarding the unsettled Iwami coast after the invasion.