Date Tomomune

Date Tomomune (1129–1199) was a late Heian warrior and the first head of the Date house. Originally called Nakamura Tarō, he administered the Nakamura estate in Haga district, Shimotsuke Province. In 1180 he joined the rising of his maternal cousin Minamoto no Yoritomo.

In the 1189 Ōshū campaign his four sons stormed the Ishinazaka fortress and captured enemy general Satō Motoharu; rewarded with Date district in Mutsu, Tomomune took the name Date. He was succeeded by his second son, Munemura.