Because Yūsaku paid ¥100 for him, he was named after Itagaki Taisuke, the man found on the ¥100 banknote.
The Meiji era politician Itagaki Taisuke was Nobukata's direct descendant, 12 generations removed.
:For information on the warrior woman, see Itagaki
During the Seikanron debate, he supported his fellow Tosa clansmen Itagaki Taisuke and Goto Shojiro, at one point resigning his commission and returning to Tosa to participate in the Freedom and People's Rights Movement, but eventually had a falling out with Itagaki and returned to military service.
Tomonobu Itagaki | Itagaki Taisuke | Keisuke Itagaki | Seishirō Itagaki | '''Jinshotai'''(From the left in the bottom row: Ban Gondayu, Itagaki Taisuke |