1. HRH Prince Antonio of Bourbon Two Sicilies (1929)
2. HRH Prince Francesco of Bourbon Two Sicilies (1960)
3. HRH Prince Gennaro of Bourbon Two Sicilies (1966)
4. HRH Prince Casimiro of Bourbon Two Sicilies (1938)
5. HRH Prince Luigi of Bourbon Two Sicilies (1970)
6. HRH Prince Alessandro of Bourbon Two Sicilies (1974)