Royal Profile: 30 Facts about Pierre Casiraghi

1. Pierre Rainier Stefano Casiraghi was born 5 September 1987, the third child of Princess Caroline of Hanover and Stefano Casiraghi {Source}. 
2. He has two older siblings{Source}:
1. Andrea Albert Pierre Casiraghi (1984)
2. Charlotte Marie Pomeline Casiraghi (1986)
3. He has two stepbrothers, and a stepsister-in-law, as well as a soon-to-be stepsister-in-law{Source}:
1. Prince Ernest-August of Hanover (1983)
1. Princess Ernest August of Hanover (Ekaterina Malysheva) (m. 2017)
2. Prince Christian of Hanover (1985)
1. Alessandra de Osma
4. He has a maternal half-sister{Source}:
1. Princess Alexandra Charlotte Ulrike Marym Virigina of Hanover (1999)
5. He has one nephew{Source}:
1. Raphael Casiraghi Elmaleh (2013)
6. His godparents were his maternal uncle Prince Albert II of Monaco & paternal aunt, Laura Sabatini Casiraghi{Source}.
7. He was named for{Source}:
1. Pierre: His maternal great-Grandfahter, Prince Pierre, Duke of Valentinos
2. Rainier: His maternal grandfather Prince Rainier III
3. Stefano: For His Father
8. His father died when he was only 3 years old in a boating accident, leaving him and his two older siblings to primarily be raised by their mother {Source}. 
9. Upon his death, their mother moved her young family to St. Remey-de-Provence, France in order to minimize their exposure to the press, giving them a chance at a normal childhood{Source}. 
10. He attended local schools there until 1998-1999, when his life changed once again upon his mother's remarriage{Source}. 
11. After the marriage, the new family moved to the Parisian suburb of Fontainebleau, where Pierre and his siblings began attending school. 
12. Pierre graduated from Lycée François Couperin, Fontainebleau in 2005, the year after his sister Charlotte. 
13. After passing his baccalaureate, he took a year off as a gap year. 
14. In the autumn of 2006, he began an economics course at Bocconi University, where it has been said that he failed the first year, repeated it, did a second year, then dropped out in 2009 or so. 
15. It was widely believed that he was studying business to eventually take over his father's businesses that are presently managed by his paternal grandmother and uncle.
16. In June 2009, he became the majority shareholder of the Monaco-based construction company his father founded in 1984. 
17. His uncle, Marco Casiraghi, remains in the position of President over this company, which is Engeco S.A. The acquisition of the majority shares to Casiraghi's name was handled by the Milan-based legal firm Bird & Bird{Source}.
18. From 30 January to 13 February 2007, Casiraghi accompanied his mother on a humanitarian tour of Africa.They visited Niger, Burundi, the Democratic Republic of Congo, and South Africa on behalf of Princess Caroline's role as President of AMADE Mondiale{Source}.
19. He was linked to a number of young women during his university years in Milan. 
20. He was photographed out and about with the fashion models. 
21. But Casiraghi's longest and most serious romantic attachment to date has been since May 2008 the aristocratic and Columbia University Law graduate Beatrice Borromeo. 
22. In February 2012, he was briefly hospitalized following a physical altercation at a Manhattan nightclub. 
23. According to media reports he approached the table of businessman Adam Hock, models Natasha Poly, Anja Rubik and Valentina Zalayeva. Words were exchanged and an altercation ensued. Hock was arrested on four counts of assault, and he is alleged to have struck Casiraghi as well as three male friends, Adam Hock contends Casiraghi was the aggressor. The situation later went to trial, where Hock took a plea deal {Source}
24. He married Beatrice Borromeo in 2015 
25. Together, they have one son:
1. Stefano Ercole Carlo Casiraghi (2017)
26. He is the uncle through marriage to:
1. Leone Mosé Elkann (2006)
2. Oceano Noah Elkann (2007)
3. Prince Karl von Fürstenberg(2011)
4. Vita Talita Elkann (2012)
27. Through his wife, he is the brother-in-law of:
1. Donna Isabella Brachetti Peretti (1975)
1. Count Ugo Brachetti Peretti
2. Donna Lavinia Elkann (1977)
1. John Elkann (1976, m. 2005?)
3. Carlo Ludovico Borromeo (1982)
1. Marta Ferri Borromeo (1984, m. 2012){Source}
4. Donna Matilde Borromeo, Princess von Fürstenberg (1983)
1. Prince Antoinius von Fürstenberg (1985, m. 2011)
28. At his birth, he was 4th in succession for the throne of Monaco, now he is 6th after two cousins, his mother and older brother.
29. His is of Italian, German, French, Mexican, Irish, Scottish, Swiss and Monégasque  ancestry.
30. He is the maternal cousin of:
1. Jazmin Grace Grimaldi (1992)
2. Louis Robert Paul Ducruet (1992)
3. Pauline Grace Maguy Ducruet (1994)
4. Camille Marie Kelly Gottlieb (1998)
5. Alexandre Eric Stephane Coste-Grimaldi (2003)
6. Princess Gabriella Thérèse Marie of Monaco, The Countess of Carladès (2014)
7. Prince Jacques Honoré Rainier, Hereditary Prince of Monaco, Marquis de Baux (2014)