Pedro Navarro, count de Olivetto

Pedro Navarro, count de Olivetto (born c. 1460—died 1528) was a Spanish military engineer and general who fought for various countries and city-states in the late 15th and early 16th centuries. Navarro began life as a sailor and was employed later as mozo de espuela, or running footman, by Cardinal Juan de Aragon. On the death of his employer in 1485 he enlisted as a mercenary in a war between Florence and Genoa and was...