In 1767, as a widow of a primitivo poblador, Maria Josefa Guerra Cañamar was granted Revilla 19 by the King of Spain.

In 1831 Gertrudis Cerna purchased Revilla 19. She was the wife of Santiago Ramirez.

In 1852, as the son of the purchaser, Gertrudis Cerna, Prudencio Ramirez applied for confirmation of Revilla 19 from the State of Texas. Witnesses: Onofre Garcia and Ysidro Vela