Pierre Casiraghi Biography: Wife, Age, Children, Sailing, Net Worth, Parents, Royal Family

Pierre Rainier Stefano Casiraghi also known as Pierre Casiraghi is a well-known Monegasque businessman, entrepreneur, competitive sailor, and member of the Grimaldi royal family known for his leadership in companies like Engeco S.A. and Monacair, his passion for high-performance sailing including historic victories, and his role in Monaco’s Yacht Club as vice president.

As the youngest son of Princess Caroline of Hanover and the late Stefano Casiraghi, he is a grandson of Prince Rainier III and Grace Kelly, maintaining a low-profile yet active presence in business, philanthropy, and sports.

Quick Facts

• Full Name: Pierre Rainier Stefano Casiraghi
• Stage Name: Pierre Casiraghi
• Born: September 5, 1987
• Age: 38 years old
• Birthplace: La Colle, Monaco
• Nationality: Monegasque
• Ethnicity: Monegasque (Italian and French influences through family)
• Occupation: Businessman, Majority Shareholder (Engeco S.A. & Monacair), Competitive Sailor
• Height: 1.85m
• Religion: Unknown
• Parents: Mr. Stefano Casiraghi and Mrs. Caroline, Princess of Hanover
• Siblings: Three
• Children: Three
• Relationship: Married
• Net Worth: $30 million USD

Early Life and Education

Pierre Casiraghi was born on September 5, 1987, in La Colle, Monaco, to his parents Mr. Stefano Casiraghi and Mrs. Caroline, Princess of Hanover, at the Princess Grace Hospital Centre. He is the youngest of three children from his parents’ marriage, with older siblings Andrea and Charlotte.

After his mother’s remarriage to Ernst August, Prince of Hanover, the family moved to Fontainebleau near Paris for proximity to Paris and London. He obtained his baccalaureate at Lycée International François-Ier. He studied International Economics and Management at Bocconi University in Milan, also attending the University of Paris II Panthéon-Assas for law studies.

His ethnicity is Monegasque with Italian and French aristocratic roots. His religion is unknown.

Career

Pierre Casiraghi became majority shareholder of Engeco S.A., the Monaco-based construction company founded by his father in 1984, in June 2009, with his uncle Marco as president. He is also majority shareholder of Monacair. He serves as vice president of the Yacht Club de Monaco, supporting sailing initiatives and Team Malizia.

An accomplished sailor, he competes in inshore racing and has achieved notable successes, including co-skippering to victory in the Admiral’s Cup (revived after decades) in 2025 with Peter Harrison, earning him the Yacht Club de Monaco’s Sailor of the Year award presented by Prince Albert II. He has participated in extreme sports like parachuting and car racing (e.g., Volkswagen Scirocco R-Cup in 2014).

Known for philanthropy and environmental advocacy through sailing, he balances business with competitive pursuits and family life.

Social Media

• Instagram Handle: @pierre_casiraghi

Personal Life

Pierre Casiraghi, now 38, is married to Italian journalist and heiress Beatrice Borromeo since 2015 (civil ceremony in Monaco, religious wedding on Isolino di San Giovanni, Lake Maggiore). They met as university students at Bocconi in Milan and began their relationship in 2008.

They have three children: sons Stefano Ercole Carlo (born February 28, 2017) and Francesco Carlo Albert (born May 21, 2018), and daughter Bianca Caroline Marta (born October 4, 2025). No public past relationships are detailed before Beatrice. He keeps family life private, prioritizing privacy for his children while sharing occasional glimpses through events or sailing. He lives between Monaco and Italy, focusing on business, family, and sports.

Net Worth

Pierre Casiraghi‘s net worth is estimated at $30 million USD.

His income comes from business ventures as majority shareholder of Engeco S.A. (construction) and Monacair (aviation), real estate and family holdings, sailing-related sponsorships and competitions, brand ambassadorships (including fashion and luxury like Dior), and royal family engagements or inheritances tied to the Grimaldi legacy.