Antonio de Mendoza was a Spanish colonial administrator who was the first viceroy of New Spain, serving from 14 November 1535 to 25 November 1550, and the second viceroy of Peru, from 23 September 1551, until his death on 21 July 1552.

Hernán Cortés de Monroy y Pizarro Altamirano, 1st Marquess of the Valley of Oaxaca was a Spanish conquistador who led an expedition that caused the fall of the Aztec Empire and brought large portions of what is now mainland Mexico under the rule of the king of Castile in the early 16th century. Cortés was part of the generation of Spanish explorers and conquistadors who began the first phase of the Spanish colonization of the Americas.