TITLES AND QUALIFICATIONS WITHIN THE ROYAL HOUSE
The sons and daughters, and grandsons and granddaughters in the male line of the King (or Head of the House) bear the title of Prince Royal or Princess Royal of the Two Sicilies (Principe Reale or Principessa Reale delle Due Sicilie) with the qualification of Royal Highness.
All other cadets born of dynastic marriages bear the title Prince or Princess of the Two Sicilies (Principe or Principesse delle Due Sicilie) with the qualification of Royal Highness.
