My grandfather was Mr. Pedro Guerrero Urdiales. And was married to Maria del refugio Maciel. My grandfather was born in Zacatecas mexico durning the time of the Mexican revolution. When he was still a young kid. He moveto Saltillo.He grow up there and he meet my grandmother. I think hehas two sisters some where in the U.S. Por ahoraes todo lo que puedo recordar. Si algo de esto les es familiar pueden dejar un post con mas informacion. Mi nombre Aldo Guerrero.