Masanori's son, TAIRA no Tadamori, was the first member of the family to be granted access to the Imperial court, and Tadamori's son (Kiyomori) established the Heike-dominated government and became extremely powerful; the proud and arrogant Heike were not to last for long, however, and they were destroyed in the Battle of Dan no ura.
正盛の子平忠盛が初めて昇殿を許され、忠盛の子清盛は平氏政権を樹立し栄華を誇ったが、驕る平家は久しからず、壇ノ浦の戦いで滅亡した。