Don Cristobal Martin and Doña Josefa Morquecho

Does anyone know of this couple Don Cristobal Martin and Doña Josefa Morquecho. They would've been born around 1750. They're the parents of Don Felipe Martin that's married to Doña Ines Pedroza found in this record: https://www.familysearch.org/ark:/61903/3:1:9392-V5S9-1N