1. Pierre Rainier Stefano Casiraghi was born on 5 September 1987 and is the younger son and youngest of three children of Caroline, Princess of Hanover, and her second husband, Stefano Casiraghi.
21 Facts About Pierre Casiraghi
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Pierre Casiraghi is the maternal-line grandson of Rainier III, Prince of Monaco, and American actress Grace Kelly.
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Pierre Casiraghi was born on 5 September 1987 at Princess Grace Hospital Centre, in La Colle, Monaco.
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Pierre Casiraghi is named after his maternal great-grandfather, Prince Pierre, Duke of Valentinois, his maternal grandfather, Prince Rainier III, and his father.
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Pierre Casiraghi's godparents are his uncle, Prince Albert II, and his aunt by marriage Laura Sabatini Casiraghi, the wife of his uncle Daniele.
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Pierre Casiraghi was three years old at the time of his father's death in a boating accident.
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Pierre Casiraghi spent his earliest years, after his father's death, living at his mother's farmhouse in the town of Saint-Remy-de-Provence.
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From 30 January to 13 February 2007, Pierre Casiraghi accompanied his mother on a humanitarian tour of Africa.
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In June 2009, Pierre Casiraghi became the majority shareholder of the Monaco-based construction company Engeco, which his father founded in 1984.
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Pierre Casiraghi is on the Management Committee of the Yacht Club de Monaco.
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In 2011, Pierre Casiraghi was inducted as an honorary member of the Jeune Chambre Economique de Monaco.
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Pierre Casiraghi is a participant in the sport of sailboat racing.
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Pierre Casiraghi's team completed the journey from Cape Town to Rio in a record 10 days, 11 hours, 29 minutes, and 57 seconds.
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Pierre Casiraghi was a crew member of the Monaco Racing Fleet captained by Tommaso Chieffi which was first to cross the finish line in the 2013 edition of the Palermo-Monte Carlo Regatta.
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Pierre Casiraghi is the skipper of Team Malizia, the crew which sails a hydrofoil sailboat in the annual GC32 Racing Tour.
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Pierre Casiraghi said he was encouraged to enter the race by family friend and former racing driver Jacky Ickx.
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Pierre Casiraghi has been in a relationship with the journalist Beatrice Borromeo since May 2008.
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Pierre Casiraghi and Beatrice's first child, Stefano Ercole Carlo, was born on 28 February 2017.
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In February 2012, Pierre Casiraghi was briefly hospitalized following a physical altercation at a nightclub in New York's Meatpacking District.
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Hock, who was later charged on eight counts of misdemeanor assault, alleges that Pierre Casiraghi was the aggressor and that he struck Pierre Casiraghi and his companions in self-defence.
21.
Pierre Casiraghi was treated at New York Presbyterian Hospital for a laceration, bruising, and swelling of his face.