Although the details are unknown, he is understood to have been killed in battle by Heike (the Taira family) ("Sonpi Bunmyaku" (a text compiled in the fourteenth century that records the lineages of the aristocracy) and so on.
詳しい動向は不明であるが、その最期は平家によって討ち取られたとされる（『尊卑分脈』など）。