La fundación del castillo de Montemayor Historical milestone · Montemayor, Campiña Sur, Córdoba Image of Montemayor, not of the place itself. Martín Alfonso de Córdoba founded the castle of Montemayor in 1340 by royal charter, giving rise to a family branch that held the lordship for six generations until 1521; his son Alfonso Fernández de Montemayor rose to become chief frontier commander (adelantado mayor) of Andalusia. Photo: Ddrazir (CC BY-SA 4.0) What to see and do in Montemayor