It wasn't until the family line of Nobukatsu ODA, who was related to the Ikoma clan, became the mainstream in literature that this theory of Nobutada ODA's mother being from the Ikoma clan began appearing.
後年生駒氏腹の織田信雄の家系が主流になってからの文献から、生駒氏生母説が登場するようになる。