As for Tadamune's official rank and post, according to some records, his post was 'Tachihaki no osa' (captain of the Guards), 'Saemon no Shoi' (Junior Lieutenant of the Left Division of Outer Palace Guards), and 'Kebiishi' (official with judicial and police powers), and his court rank is unknown.
忠宗の官位については「帯刀長」「左衛門少尉」「検非違使」の官職が伝わっているが、位階についてはわかっていない。