| 1. | Only one non-royal person was ever given a dukedom.
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| 2. | Cornwall was the first dukedom conferred within the Kingdom of England.
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| 3. | Anjou, as the French king had made Anjou a dukedom.
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| 4. | The last English dukedom to be forfeit became so in 1715.
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| 5. | On the death of the Duke, the dukedom became extinct.
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| 6. | The dukedom of Beaufort was renamed Duke of Piney-Luxembourg.
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| 7. | Under Ranuccio I's rule, the dukedom city walls.
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| 8. | He was succeeded in the dukedom by his son, George.
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| 9. | In 1537 he married Dukedom of Guimar�es in her own right.
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| 10. | He returned to Dukedom in the 80's to retire.
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