The Countess and Adelardi, with their combined forces, hastened to the relief of the beleaguered city, near which they arrived at sunset. Having pitched their camp on a hill overlooking the Ghibeline tents, the soldiers were assembled, and harangued with exciting speeches, which they received with loud applause, mingled with the clashing of arms. However, they gained a bloodless victory. The besiegers, alarmed at the strength of the foe, struck their tents, and retired under cover of night.
The famished Anconians, relieved from the presence of the imperial army, received a fresh stock of provisions. They came out to thank the countess and her ally, and offered them magnificent presents.
On her homeward march, the countess fell in with a party of retreating Ghibelines. Numerous skirmishes took place, in which the troops of Aldrude were uniformly victorious.
The date of this heroine's death is unknown.
The designs of the Hohenstaufen on the throne of Sicily drew their attention for a time from Lombardy. Henry VI., who ascended the imperial throne of Germany on the death of his father, Frederick Barbarossa, established a claim on the crown of the Two Sicilies in right of his wife, the daughter of King Roger. Constantia became the rightful queen of Sicily on the death of William the Good in 1189; but the throne was usurped by Tancred, her natural brother. Henry invaded the Neapolitan states in 1191; but though successful at first, a terrible mortality in his camp compelled him to raise the siege of Naples and retire from the country.
After the death of Tancred, his widow resigned all claim to the crown; stipulating that her infant son, William, should be left in possession of Tarentum. But the cruel and perfidious emperor, who had failed in all his attempts on Naples and Sicily during the life-time of the king, cast the boy into prison, after putting out his eyes, imprisoned the queen and the princesses in a convent, and carried the royal treasures to Germany.
When the emperor returned to his own land, Naples and Sicily rose against his tyranny. Hastening back with a mighty army, Henry defeated the rebels, and commanded that the leaders should suffer the most excruciating tortures. Constantia, shocked at his barbarity, quarrelled with her husband, cast off her allegiance, and stirred up the Sicilians to a fresh rebellion. Thousands flocked to her standard, and the empress, at this time fifty years old, led them against the German troops. Henry, who had sent away most of his soldiers to the Holy Land, was defeated, and compelled to submit to the terms dictated by Constantia.
The emperor died at Messina in 1197, shortly after the conclusion of the treaty, and his wife has been accused of administering poison, to rid her people of a cruel and vindictive tyrant. After his death, Constantia lived peacefully in Sicily as regent of the island and guardian of her infant son, the Emperor Frederick II. She died three years later, in the year 1200.