Oniniwa Yoshinao
Yoshinao at the age of 73, bravely fought to let Masamune go during the Battle of Hitotoribashi, His army killed many of Iwaki clan's men but finally was killed by Iwaki Tsunetaka's general Kubota Jūrō. Thanks to Yoshinao, Masamune was able to escape to Motomiya castle. His son, Oniniwa Tsunamoto, and his daughter, Katakura Kita, also worked for Date clan and won Masamune's great trust. In fiction. In NHK's 1987 Taiga drama "Dokuganryū Masamune", Yoshinao was played by Chosuke Ikariya.