The highest official court rank was Okura-kyo (Minister of the Treasury) and he was famous concerning the name of Ichijo Okura-kyo because his residence was located on Kitaoji street, but he had no relationship with the later Ichijo clan which was Sekkan-ke (family that produced regents).
極官は大蔵卿で、邸が北大路沿いにあったことから一条大蔵卿の呼称で知られるが、後の摂関家一条家とは無関係。