In the article for Tokitada in "Kugyo bunin," there is no description of Tokitada's mother and, in the article for Chikamune, his younger brother, it is written 'mother was same as that for Tokitada.'
『公卿補任』の時忠の項に母の記載はなく、弟・親宗の項に「母同時忠卿」とある。