In view of the fact that her elder brothers Nobunaga and Nobukane treated Ichi with much more warmth than they did other sisters, a recent viewpoint claims that she was a younger sister with the same mother, of Nobunaga and Nobukane, and that her mother was Dota-gozen.
兄信長や信包の市に対する待遇が姉妹の中ではたいへん厚かったことから、最近では信長、信包の同腹の妹であるとされ母は土田御前であるという見方もある。