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Duke of Coimbra
Portuguese noble title / From Wikipedia, the free encyclopedia
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Duke of Coimbra (Portuguese: Duque de Coimbra) was an aristocratic Portuguese title with the level of royal dukedom, that is, associated with the Portuguese royal house, created in 1415, by King John I of Portugal to his 2nd male son, Infante Pedro. Pedro was regent of the kingdom but he was killed in the domestic Battle of Alfarrobeira (1449).
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![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/LDAM_%28f._45v%29_Duque_de_Coimbra.jpg/640px-LDAM_%28f._45v%29_Duque_de_Coimbra.jpg)
None of their children inherited this title, which was granted much later to Pedro's great-grandson, Jorge, Duke of Coimbra, natural son of King John II of Portugal.