About Sebastián Calvo de la Puerta, 1st Marquess of Casa Calvo
Sebastián Nicolás de Bari Calvo de la Puerta y O'Farrill, 1st Marquess of Casa Calvo, KOS (August 1751 – 27 May 1820) was a Spanish nobleman and soldier who served as Governor of Louisiana between 1799 and 1801.