Date Tomomune

Date Tomomune (伊達 朝宗, 1129 - October 23, 1199) was a samurai during the closing years of the Heian period through to the beginning of the Kamakura period. He is known as the founder of the Date Clan.
Biography.
In 1189, Nakamura Hitachi-nyudo Nensai received the territory of Date from Minamoto Yoritomo as a result of his participation in the Battle of Ōshu. He then changed his name to Date Tomomune and founded the Date Clan at Takakogaoka Castle, in the present day town of Hobara in Date City, Fukushima Prefecture.
His grave is in the present day town of Koori in Fukushima.
In popular culture.
Date Tomomune is prominently featured in the anime "Masamune Datenicle", produced by the City of Date in Fukushima in collaboration with Fukushima Gainax. Throughout the series, a young Date Masamune receives the help of his ancestors while struggling with his new role as the 17th lord of the Date Clan. Date Tomomune appears in the first episode.