Royal Profile: 20 Facts about Marius Borg Høiby

1. Marius Borg Høiby was born 13 January 1997 as the son of Mette-Marit Tjessem Høiby and Morten Borg{Source}. 
2. He is the stepson of Crown Prince Haakon of Norway{Source}. 
3. Through his mother's marriage to the Crown Prince, he has two younger siblings{Source}:
1. Princess Ingrid Alexandra of Norway (2004)
2. Prince Sverre Magnus of Norway (2005)
4. He and his siblings' birthdays are all within a few weeks of each other-Marius's is 13th January, Ingrid Alexandra's is the 24th of January and Prince Svrre Magnus's birthday is 6th December.
5. He has grown up in the spotlight due to his mother's marriage.
6. He is an active sportsman, often doing extreme sports like skateboarding, surfing {Source}.
7. He also enjoys soccer and swimming  {Source}.
8. In September 2012, he celebrated his confirmation with the church-with his whole family (mom and dad, stepdad, younger siblings, and stepgrandparents) in attendance {Source}
9. Like most people his age, he is active on social media (Don't bother asking me for his links).
10. He is currently dating Norwegian model Linn Helena Nilse {Source}.
11. Although he has enjoyed the privileges of being a member of the Norwegian Royal Family, he is not in succession for the throne.
12. He was four years old when his mother married the Crown Prince of Norway.
13. He shares a birthday with:
1. Princess Maria Luisa of Bulgaria (1933)
2. Baroness Elisabeth-Anne de Massy (1947)(Monaco)
14. His first major events were his little sister's christening and Christmas photo call in 2004 {Photos}.
15. In 2005, he attended his younger brother's christening {Photo}.
16. In 2006, he attended the family's summer photocall, Celebrations For The Centennial Anniversary Of The Coronation Of King Haakon Vii & Queen Maud, Norway's National Day Celebrations, Trafalgar Square Christmas Tree Lights event {Photos}
17. In 2007, he attended family photocalls, the celebrations of his stepgrandparents' 80th birthdays and Norway's National Day Celebrations {Photos}.
18. In 2015, he attended a memorial for the victims of the Paris Attacks. the playoff game between Norway and Hungary, the  The Unveiling Of A Statue Of King Olav V, and Norway's National Day celebrations {Photos}.
19. Last year, 2016, he attended events regarding his stepgrandparents' 25th succession anniversary to the throne. and Norway's National Day celebrations {Photos}
20. Next week, he will begin a degree program in business administration in a university the United States, where he will lead a private life, he will no longer be listed on the Norweigan Royal Family website or appear at official functions unless it is a natural thing for the whole family to be present {Source}