Duke of Coimbra
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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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.
List of the Dukes of Coimbra
- Infante Pedro, Duke of Coimbra (1392–1449), Regent, King João I's third son (second surviving);
- Jorge, Duke of Coimbra (1481–1550), King João II's natural son;
- Infante Augusto, Duke of Coimbra (1847–1889), Queen Maria II's fifth son;
Claimants
Following the establishment of the Portuguese Republic, the following individuals have claimed the title of Duke of Coimbra:
- Infante Henrique, Duke of Coimbra (1949–2017), Duarte Nuno, Duke of Braganza's third son;
- Infanta Maria Francisca, Duchess of Coimbra (born 1997), Duarte Pio, Duke of Braganza's daughter.
See also
Bibliography
”Nobreza de Portugal e do Brasil" – Vol. I, pages 255/272; and Vol. II, pages 531/532. Published by Zairol Lda., Lisbon 1989.