Moreover, it is thought that the political situation surrounding Hirotsune, such as the expansion of power of FUJIWARA no Chikamasa, a relative of the Heike by marriage, forced Hirotsune to defeat the Heike.
また平家姻戚の藤原親政が下総に勢力を伸ばそうとするなど、こうした政治的状況が広常に平家打倒を決起させたと考えられる。