Yoshiyori's granddaughter, MINAMOTO no Kishi (Motoko), who was the daughter born between MINAMOTO no Motohira and Yoshiyori's daughter, appeared to be in favor with Emperor Gosanjo, and she gave birth to Imperial Prince Sanehito (Heian period) and Imperial Prince Sukehito, whom were strong candidates to succeed the imperial throne at one time.
源基平に嫁いだ娘が生んだ外孫源基子が後三条天皇の寵愛を受けて、実仁親王(平安時代)・輔仁親王を生み、一時有力な皇位継承候補者となった。