Minamoto no Yoshiyasu
In this Japanese name, the family name is "Minamoto".
Minamoto no Yoshiyasu (源 義康 died July 7, 1157) was son of Yoshikuni and ancestor of Ashikaga branch family of the Minamoto. Yoshiyasu was a samurai and participated at Hōgen Rebellion (1156) in Kyoto with forces loyal to Emperor Go-Shirakawa to fight against ex-Emperor Sutoku's forces.