Santiago de Casanova y Habsburgo-Lorena (born 1993) (b. 1993) Parents Luis María Gonzaga de Casanova-Cárdenas y Barón, 6th Duke of Santángelo Archduchess Monika, Duchess of Santángelo Children Siblings Rafael de Casanova y Habsburgo-Lorena Gabriel de Casanova y Habsburgo-Lorena Baltasar de Casanova y Habsburgo-Lorena