Juan O'Donnell y Vargas Spanish lawyer, politician and military personnel (1864-1928) (1864–1928) Parents Maria Vargas Carlos O'Donnell Children Blanca O'Donnell, 5th Duchess of Tetuan Juan O'Donnell, 4th Duke of Tetuan Siblings Maria del Mar O'Donnell Maria Victoria O'Donnell Leopoldo O'Donnell Carlos Luis O'Donnell Maria Luisa O'Donnell Maria de Mercedes O'Donnell
