Blanche of Portugal (1259–1321)

Blanche of Portugal, was an infanta, the firstborn child of King Afonso III of Portugal and his second wife Beatrice of Castile. Named after her great-aunt Blanche of Castile, queen of France, Blanche was the Lady of Las Huelgas, Montemor-o-Velho, Alcocer and Briviesca, the city which she founded.

25 February 1259

Born on the same birth day (25 February): Alexis Denisof • Emma Catherine Embury • Erick Fedde • Joey Dunlop • Lisa Kirk • Mary Locke Petermann • René Nicolas Charles Augustin de Maupeou • Rocky (singer) • William Astbury