| During the Battle of Koriyama in 1588, he captured the Nawashiroda-jo Castle as a Japanese military commander of the Ashina clan, but retuned to the Date clan with his younger brother, Chikatsuna KATAHIRA, at the invitation of Shigezane DATE. |
1588年、郡山合戦の際には蘆名氏の部将として苗代田城を攻略するが、伊達成実の誘いに応じて弟の片平親綱と共に伊達氏に帰参した。 |