When Maria Guadalupe Lopez Rivera was born on 18 December 1926, in El Salvador, Tequila, Jalisco, Mexico, her father, Juan Lopez Ramos, was 21 and her mother, Salome Rivera Rosales, was 18. She married Jesus Contreras Rivera about 1942, in El Salvador, Tequila, Jalisco, Mexico. They were the parents of at least 2 sons and 3 daughters. She died on 25 June 2007, in Guadalajara, Jalisco, Mexico, at the age of 80.