There are also cases of people who were de facto regents to the Shogun, such as Nobunaga ODA, who died without being invested with the title but were given it in a later era (the Taisho period); in fact, immediately after his death he was given the title Juichii Daijo-daijin, but this was changed to Shoichii in the Taisho period.
また織田信長のように事実上の執権者が叙任を受けずに死亡したことを鑑みて、後世（大正時代）に改めて追贈された例もある（正確には、死の直後に従一位太政大臣が贈位され、大正時代に正一位が改めて贈られた）。