Prince Alessandro della Torre e Tasso, 1st Duke of Castel Duino (1881-1937), son of Prince Alexander Johann of Thurn and Taxis and Princess Marie of Hohenlohe-Waldenburg- Schillingsfürst
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The title was created along with the additional title of Prince della Torre e Tasso in 1923 for Prince Alexander of Thurn and Taxis following his naturalisation in Kingdom of Italy.
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