This view surmises that because Suwa goryonin became the mother of Katsuyori, the last family head of the Takeda family, in order to romanticize and put emphasis on the relation between Shingen and Suwa goryonin, Sanjo fujin came to be described as a bad wife (rule of unfair diminishing).
おそらく、諏訪御料人が武田家最後の当主勝頼の母になった事から、信玄と諏訪御料人との関係を美化し、強調するため、三条夫人が悪妻として描かれるようになったと考えられる（不当貶めの法則）。