The Suwa clan was in alliance with Takeda but it was destroyed in the days of Shingen, and there was supposedly a strong opposition among the Takeda family to receiving Goryonin SUWA, the mother of Katsuyori, as a concubine.
諏訪氏は武田と同盟関係であったが信玄の時代に滅ぼされ、母の諏訪御料人を側室に迎えることには武田家中でも根強い反対があったとも考えられている。