Some say that Nobukatsu and Nobutaka ODA, who was born several days earlier, were deemed as second and third son, respectively, because the lady in waiting made notification of Nobukatsu's birth earlier than Nobutaka's birth.
織田信孝の方が数日先に生まれたが、侍女が信長に出生を伝えるのが信雄の方が早かったために信雄は次男、信孝は三男とした説がある。