 Mr. Diaz-Silveira is the son of the imminent "Abogado-Notario" (attorney-notary) Francisco Diaz-Silveira Lopez and Ana Gloria Tamargo-Sanchez (sister of Margarita Tamargo-Sanchez).He is also the grandson of Francisco Diaz-Silveira and the second-cousin of prominent builder, Alonso J. del Portillo-Tamargo and the Cuban diplomat Modesto F. Fernandez Diaz-Silveira.Mr.