Pope Sisinnius was the bishop of Rome from 15 January 708 to his death on 4 February 708. Besides being Syrian and his father being named John, little is known of Sisinnius' early life or career. At the time of his election to the papal throne, Sisinnius suffered from severe gout, leaving him weak. During the course of his twenty-day papacy, Sisinnius consecrated a bishop for Corsica and ordered the reinforcement of the walls surrounding the papal capital of Rome. On his death, Sisinnius was buried in Old St. Peter's Basilica. He was succeeded by Pope Constantine.

Pope Sisinnius, who reigned as Roman Pontiff from 708–708.

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