Álvaro Obertos de Valeto

Álvaro Obertos de Valeto (Jerez de la Frontera 1427 - Jerez de la Frontera March 12, 1482), was a knight of the Spanish nobility, as well as a pious jurist who donated the land for construction of the Charterhouse of Jerez de la Frontera (la Cartuja de Jerez de la Frontera), the first stone of which was laid on December 17, 1478.

Biography
Genoese family of Fíeseos who participated in the capture of Seville and Jerez in the service of Kingdom of Castile Fernando III and Alfonso X. His parents were Francisco de Morla and Francisca Martinez Obertos de Valeto, the daughter of Miguel Vargas Obertos de Valeto and Juana and Martinez Trujillo. He met the Carthusian prior Hernando de Torres, who gave all his possessions to carry out the erection of a monastery in the municipality of Jerez. He put his property by deed executed before the notary in Seville Alonso Ruiz de Porras, on May 3 the same year of 1463.

With the permission of Cardinal Pedro Mendoza, archbishop of Seville, and the mayor of Jerez don Rodrigo Ponce de Leon laid the foundation stone on December 17, 1478.

The monastery was incorporated into the Order of the General Chapter of Grenoble, held in 1484 and named prior to Don Alonso de Abrego, who was Cazalla.