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.

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.