Tadanaga's wife was a granddaughter of Nobukatsu ODA, the second son of Nobunaga ODA, and it is evident that his mother Go valued the genealogy with the ODA family.
忠長の妻は織田信長の次男・織田信雄の孫娘であり、母・江がいかに織田家との血筋を重んじていたのかが伺える。