In early Feb. 1536, two hundred thousand Incan warriors laid siege to the two hundred Spaniards in Cuzco. Hernando, Gonzalo and Juan led the defense with counterattacks on the fortress overlooking the city. Juan led the attack to recover the citadel. Unable to wear a helmet (his jaw was swollen after being hit by a slingshot), Juan was struck in the head by a large stone and died a fortnight later.