He was married by proxy to Princess Maria Cristina of Naples and Sicily (17 January 1779 – 11 March 1849) on 7 March 1807.
In 1839 and 1840, the architect and archaeologist Luigi Canina (1795–1856) was engaged by the royal family and excavated the Theatre area of Tusculum.
His younger sister's Princess Maria Cristina, was the wife of the future Charles Felix of Sardinia and Queen of Sardinia; Maria Cristina's twin Princess Maria Cristina Amelia died in 1783 of smallpox.
Naples | Sicily | Rainer Maria Rilke | Carl Maria von Weber | Santa Maria | Kingdom of Naples | Maria Callas | Syracuse, Sicily | Santa Maria Capua Vetere | Maria | Cristina Fernández de Kirchner | Maria Theresa | Henrietta Maria of France | José María Aznar | Maria Muldaur | Maria Bethânia | Naples, Florida | Kingdom of Sicily | Carlo Maria Giulini | Basilica di Santa Maria Maggiore | Ave Maria | Santa Maria, Bulacan | Maria Theresa of Austria | Maria Edgeworth | University of Naples Federico II | Maria Montessori | María Conchita Alonso | Erich Maria Remarque | Allied invasion of Sicily | Maria João |