Royal Family

H.S.H. Albert II, Alexandre Louis Pierre Grimaldi is the head of the House Grimaldi and the ruler of the Principality of Monaco. 
He was born on 14 march 1958 and His parents were H.S.H. Prince Rainer III  and H.S.H. Princess Grace. His sisters are H.R.H. Princess Caroline and H.S.H. Princess Stéphanie. In July 2011 He married H.S.H. Princess Charlene.

The Prince is styled His Serene Highness and he bears a great many other hereditary titles.
The current Prince's complete titles and styles are:
His Serene Highness Albert II, Sovereign Prince of Monaco (princely title)
Duke of Valentinois, Marquis of Baux, Count of Carladès, Count of Polignac, Baron of Calvinet, Baron of Buis, Lord of Saint-Rémy, Count of Torigni, Baron of Saint-Lô, Baron of La Luthumière, Baron of Hambye, Duke of Estouteville, Duke of Mazarin, Duke of Mayenne, Prince of Château-Porcien, Count of Ferrette, Count of Belfort, Count of Thann, Count of Rosemont, Baron of Altkirch, Lord of Isenheim, Marquis of Chilly, Count of Longjumeau, Baron of Massy, Marquis of Guiscard.