San Luis de la Paz, Gto. Tuesday July 5, 2011. San Luis de la Paz adopted as coats of arm the one from Don Diego de Tapia, Otomi chief and son of Hernando de Tapia “Conin”, founder of Queretaro. According to the interpretation of the historian Don Diego de Frías: The shield is framed in a box surrounded by branches. It is enclosed with the slogan ‘SOLI DEO GLORIA ET HONOR “Only honor and glory to God). It contains two fields above and three below. The superiors are divided and supported by a central column, which symbolizes the strength of unity among the colonial government of Mexico and the Kingdom of Spain.