As the title of 'Kitano Mandokoro' was given to the legally wedded wife of Sesshu or Kanpaku, that of 'Okitanomandokoro' or 'Omandokoro' in short was given to the mother who gave birth to Sessho or Kanpaku.
なお正室に贈られる「北政所」に対して、摂政関白の生母に贈られる称号を「大北政所」、略して「大政所」といった。