保元之亂
Yoshikane was the third son of Minamoto no Yoshiyasu who was the founder of the Ashikaga clan and the grandson of Minamoto no Yoshiie. In the Hōgen Rebellion, Yoshikane's father Yoshiyasu was one of the commanders of forces loyal to Emperor Go-Shirakawa including father of Minamoto no Yoritomo, Minamoto no Yoshitomo and Taira no Kiyomori and others.