Through his mother, Hernán was second cousin once removed of Francisco Pizarro, who later conquered the Inca Empire of modern-day Peru, and not to be confused with another Francisco Pizarro, who joined Cortés to conquer the Aztecs. (His maternal grandmother, Leonor Sánchez Pizarro Altamirano, was first cousin of Pizarro's father Gonzalo Pizarro y Rodriguez.) Through his father, Hernán was related to Nicolás de Ovando, the third governor of Hispaniola. His paternal great-grandfather was Rodrigo de Monroy y Almaraz, 5th Lord of Monroy.
Through his mother Hernán was second cousin once removed of Francisco Pizarro, who later conquered the Inca Empire of modern-day Peru, and not to be confused with another Francisco Pizarro, who joined Cortés to conquer the Aztecs. (His maternal grandmother, Leonor Sánchez Pizarro Altamirano, was first cousin of Pizarro's father Gonzalo Pizarro y Rodriguez.) Through his father, Hernán was related to Nicolás de Ovando, the third governor of Hispaniola His paternal great-grandfather was Rodrigo de Monroy y Almaraz 5th Lord of Monroy.