He was discovered in May of the following year, when a local resident divulged his whereabouts, and caught by soldiers of Tokisada HOJO, after which he was beheaded along with MINAMOTO no Iemitsu and MINAMOTO no Yukiyori, his second and third sons, respectively.
翌年の5月、地元民の密告により露顕し、北条時定の手兵によって捕らえられ、次男源家光・三男源行頼とともに斬首された。