WebMinamoto no Yoshitsune (源 義経, c. 1159 – June 15, 1189) was a commander of the Minamoto clan of Japan in the late Heian and early Kamakura periods. During the Genpei War, he led a series of battles that toppled the Ise-Heishi branch of the Taira clan, helping his half-brother Yoritomo consolidate power.