Her mother, who wanted to live in Mexico City, urged her father to sell all their property in Salmanca and relocate the family to the Mexican capital.[1] María de Jesús took her three youngest children with her to Mexico City, leaving the oldest four (including Guillermina) in Salamanca in the care of her sisters, who were nuns.[12] Guillermina completed primary school in Salamanca before reuniting with her family in Mexico City.[15] In Mexico City, her parents enrolled her in the Escuela Bancaria Comercial Milton on Madero Avenue,[15] where she took secretarial classes.[16]