Melchor de Mediavilla y Azcona was the acting governor of Texas between 1727 and 1731.
[1] Under his administration, Mediavilla y Azcona promoted the foundation of several missions by friars in a zone located between the Colorado and Brazos Rivers, although these foundations (the San Xavier missions) were carried out in 1748 and 1749, when Azcona had left the office of governor of Texas.
[1] He also indicated that the Presidio de Nuestra Señora de los Dolores should be removed and the number of military men that formed the garrison of Nuestra Señora del Pilar was too high and should be limited to only 60 people.
[3] Mediavilla accepted Rivera's suggestions and these were carried out,[3] despite the fact that the Viceroy of New Spain, Juan de Acuña, had refused to approve its realization.
[1] He governed the province until 1731, when the Viceroy Acuña appointed a new governor, Juan Antonio Bustillo y Ceballos.