The Grand Master is the highest authority in the Constantinian Order. The Bulla Militantis Ecclesiae (1718) of Pope Clement XI established the succession in that dignity in the descendants by primogeniture of the House of Farnese. After the death of the Duke Francisco I of Parma and of his brother Antonio I of Parma, in 1731, by virtue of same Bulla succeeded in the Great Magisterium, Charles of Bourbon and Farnese, Infante of Spain, as first-born of Princess Isabel Farnesio, niece of the two late dukes.
H.R.H. DON PETER OF BOURBN-TWO SICILIES AND ORLÉANS, DUKE OF CALABRIA, COUNT OF CASERTA, HEAD OF THE ROYAL HOUSE OF THE TWO SICILIES, GRAND MASTER OF THE INSIGNE ORDER OF SAN JANUARIUS AND OF THE SACRED AND MILITARY ORDER CONSTANTINIAN OF SAINT GEORGE.
Son of T.R.H. The Infant Don Charles of Bourbon-Two Sicilies and Princess Dona Anne of France, Dukes of Calabria, was born on October 16, 1968 in Madrid, receiving the title of Duke of Noto, as heir of the Royal House of the Two Sicilies. In 2014 he was appointed by H.M. King Don Juan Carlos I of Spain, President of the Royal Council of Spanish Military Orders – oldest of the government Councils of the Spanish Monarchy; succeeding his father. After the death of his father, H.R.H. The Infant Don Charles, Duke of Calabria, on October 5, 2015, he assumed the Headship of the Royal House of the Two Sicilies, and the dignities attached (Grand Master of the Royal Order of San Januarius, and of the other dynastic orders of the Real House); as well as the Grand Magisterium of the Sacred and Military Constantinian Order of St. George, continuing the succession of the Farnesian Primogeniture.
Orders and Corporations:
Order of Alcántara (Major Commander)
Sovereign Military and Hospitaller Order of St. John of Jerusalem, Rhodes and Malta (Grand Cross of Honor and Devotion)
Equestrian Order of the Holy Sepulcher of Jerusalem (Grand Cross)
Real Maestranza de Caballería of Sevilla
Real Maestranza de Caballería of Granada
Real Maestranza de Caballería of Valencia
Real Maestranza de Caballería of Zaragoza
Real Cuerpo de la Nobleza of Madrid (Protector)
Real Cuerpo de la Nobleza of Catalonia
The Royal Family
He is married to H.R.H. Doña Sophia Landaluce Melgarejo, Princess of the Two Sicilies, and current Duchess of Calabria.
T.R.H. The Dukes of Calabria are parents of seven children:
H.R.H. The Prince Don James of the Two-Sicilies, Duke of Noto
H.R.H. The Prince Don John of the Two Sicilies
H.R.H. The Prince Don Paul of the Two Sicilies
H.R.H. The Prince Don Peter of the Two Sicilies
H.R.H. The Princess Doña Sophia of the Two Sicilies
H.R.H. The Princess Doña Bianca of the Two Sicilies
H.R.H. The Princess Doña Mary of the Two Sicilies