Carlo de Tocco (11 August 1592 - 14 February 1674), titular Duke of Leucada and Prince of Montemiletto, was an Italian aristocrat, nobleman and military officer.
Titular ruler, a person in an official position of leadership who possesses few, if any, actual powers
Emperor Hirohito of Japan remained as a titular ruler after the Japanese surrender in World War II.
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The seal of the city of New York, adopted in an earlier form in 1686, bears the legend SIGILLUM CIVITATIS NOVI EBORACI which means simply "The Seal of the City of New York": Eboracum was the Roman name for York, the titular seat of James II as Duke of York.