Minamoto no Yukiie

However, the Taira caught up and fought back, destroying his forces in the Battle of Yahagigawa.

[2] Yukiie was then able to join Minamoto no Yoshinaka in besieging the capital city in the summer of 1183.

[1]: 293–294 For a time, Yukiie plotted with Minamoto no Yoshinaka against Yoritomo, the head of the clan.

But when Yoshinaka suggested kidnapping the cloistered Emperor Go-Shirakawa, Yukiie betrayed Yoshinaka, revealing his plan to Go-Shirakawa, who in turn revealed it to Yoritomo.

[1]: 296 Yukiie, former Governor of Bizen, then allied himself with Minamoto no Yoshitsune, under imperial orders, against Yoritomo.