Isabel Maria Sanchez Navarro was baptized on 23 Nov 1734 in Saltillo, the daughter of Simon Sanchez and Maria Ramirez.
She married Juan Jose Lopez de Jaen in 1750.
In 1767, as the widow of a primitivo poblador, she was granted Revilla 20 by the King of Spain. switched with Santiago Gutierrez. Confirmed under his name in 1852.