 López and Eliza Lynch's eldest son Juan Francisco, who had been promoted to Colonel during the war and was 15 years old, was with her.The Brazilian officers told him to surrender, and upon replying ""Un coronel paraguayo nunca se rinde"" (A Paraguayan colonel never surrenders) he was shot and killed.Whereupon jumping and covering her son's body, Lynch exclaimed ""¿Ésta es la civilización que han prometido?""