Two cardinals besides Alexander himself had died since the last Election in 1254 (Aegidius (Gil Torres) and Guilelmo Fieschi); otherwise the electors were the same.
Zwei Kardinäle außer Alexander selbst waren seit der letzten Wahl 1254 gestorben (Gil Torres und Guglielmo Fieschi); ansonsten waren die Wähler gleich.