Note, however, that the clan was no more than a vassal of the Kishu Tokugawa family and an indirect vassal, or Baishin, of the Tokugawa shogun family and the domain was not approved as an independent domain by the Edo bakufu (Japanese feudal government headed by a shogun).
ただし、あくまで紀州徳川家の家臣であり、徳川将軍家と関係では陪臣となり、江戸幕府のもとでは独立の藩として認められていなかった。