Royal Profile: 20 Facts about Antoine de Massy

1. Antoine de Massy was born 15 January 1997, as the only biological son of Christian Louis de Massy with his fourth wife, Cecile de Massy{Source}. 
2. He has one older (adopted) brother{Source}:
1. Brice Souleyman Gelabale-de Massy (1987, adopted 1997 by Christian Louis de Massy, I believe he is also his mother's biological child, but am not certian)
3. Antoine has an older half-sister{Source}:
1. Jonkvrouw Leticia de Massy (1971)
4. de Massy has an older brother-in-law{Source}:
1. Jonkheer Thomas de Brouwer (1973, brother-in-law)
5. He has two step-nieces{Source}:
1. Jonkvrouw Lillah de Brouwer (stepniece, 2001)
2. Jonkvrouw Hermine de Brouwer (stepniece, 2003)
6. He has a niece and a nephew{Source}:
1. Jonkvrouw Rose de Brouwer (2008)
2. Jonkheer Sylvestre de Brouwer (2008)
7. He is the grandson of Princess Antoinette de Massy
8. This makes him a nephew to:
1. Baroness Elisabeth-Anne de Massy (1947)
2. Christine-Alix de Massy (1951)
9. He is a  second cousin to Monaco's reigning Prince{Source}. 
10. Like his grandfather, Alexandre “Aleco” Noghes, Antoine is a tennis champion with his eyes on the Summer Olympics in 2016 in Rio de Janerio, Brazil{Source}. 
11. He has been playing the sport since he was a toddler, when his father would toss him a tennis ball in their living room{Source}. 
12. When he was four years old, his father began teaching him the sport, which he remained under his father's tutelage until he was five years old{Source}.
13.  When he turned five, he began to practice with various coaches at the Monte Carlo Country Club, where he caught the eye of Bob Brett, Boris Becker’s and Goran Ivanisevic’s world renowned coach who gave him a few lessons{Source}.
14.  In September 2008, he moved to the United States where he attended Nick Bollettieri Tennis Academy in Bradenton, Florida, until June of 2009{Source}.
15.  He returned to Monaco that summer where he trained with Heinz Gunthardt, that fall, he returned to the United States where he attended Nick Saviano’s Tennis academy{Source}. That summer (2010), he returned to Monaco where he won the U-14 international tournament of Beaulieu, France{Source}. 
16. Although technically not a member of the Princely Family, he has attended a few official events over the years. 
17. He attended his grandmother's funeral with his parents, aunt and cousin in March 2011{Photo}. 
18. On 29 June 2011, he was assaulted by five young adults, where his wallet and mobile phone were stolen. He was more shaken up then hurt in the incident {Source}. A few days later, he attended (Pictured here sitting behind Garreth Wittstock) the Royal Wedding of his father's cousin and the reigning Prince of Monaco. 
19. In March 2012, he took part in an interview with Vouge Italia. In Vouge Italia, he again stated that he wanted to go to Rio 2016, wanted to be the #1 Tennis player in the world, and bring home Monaco's 1st gold medal at an Olympics. (he did not end up going-perhaps a bid for 2020 is in order??)
20. He attended the 2014 Monaco National Day celebrations {Photo (right behind Andrea Casiraghi)}, and the reveal of the Monégasque Twins in 2014. Other than these rare public appearances and representing the principality in Tennis, he lives a relatively normal life.