He was married to Ana Gloria Tamargo-Sanchez (May 5, 1910 – May 1996)(they divorced and neither ever remarried) and they had three children, Ana Gloria, Jorge, and Francisco Diaz-Silveira Tamargo.
He was partnered with Ana Gloria Tamargo-Sánchez (May 5, 1910 – May 1996)(they parted ways and neither ever remarried) and they produced three kids, Ana Gloria, Jorge, and Francisco Diaz-Silveira Tamargo.