Later, he lawfully married a daughter of MINAMOTO no Morofusa, younger brother of Takahime, which, as a result, established a blood relationship between lawful wife Takahime and legitimate son Michifusa.
後に隆姫の弟である源師房の娘を正室に迎えて、正室・隆姫と嫡男・通房との間に血縁関係を成立させる事になる。