His brothers and sisters were Sadaijin (minister of the left) MINAMOTO no Toshifusa, udaijin (minister of the right) MINAMOTO no Akifusa, MINAMOTO no Reishi (a wife of FUJIWARA no Morosane) and so on.
左大臣源俊房・右大臣源顕房・源麗子（藤原師実室）らは同母兄弟。