Royal Profile: 20 Facts About Arthur Chatto

1. Arthur Robert Nathaniel Chatto was born 5 February 1999, the younger of the two children of The Lady Sarah Chatto & Mr. Daniel Chatto{Source}. 
2. He has an older brother{Source}:
1. Samuel David Benedict Chatto (1998)
3. He is the grandson of Queen Elizabeth's sister, Princess Margaret {Source}.
4. He is first cousins with:
1. Charles Armstrong-Jones, Viscount Linley (1999)
2. The Lady Margarita Armstrong-Jones (2002)
5. He was previously a student at the Westminster Cathedral Choir School, which he attended from 2002-2012. 
6. He should've taken his A-Levels at Eton College in 2017, where he is a member of the Combined Cadet Force and hopes to enter the military {Source}.
7. From 2010-2015, he has served as Third Page of Honour to Queen Elizabeth II {Source}. 
8. His cousin The Hon. Charles Armstrong-Jones was also a Page of Honour during this time.
9. Presently, Mr. Chatto is 25th in succession for the British Throne. 
10. At birth, he was 14th.
11. Because he is so distantly in line for the throne, his parents want to keep him out of the limelight.
12. He joined the Royal Family for Christmas services in 2008, 2010, 2015.
13. He attended the State Opening of Parliament, possibly prep for his Page of Honor duties in both  2010 & 2013
14. Mr. Chatto attended the thanksgiving service for the Queen Mother and Princess Margaret at St George's Chapel in 2012
15. He was in attendance at the Glorious Goodwood Horse Race at Goodwood.
16.  He is a regular at Queen Elizabeth II's pre-Christmas luncheon {2011 seated between his parents, 2012 sitting behind his brother, 2013, seated behind his parents}.
17. He shares a birthday with Crown Princess Mary of Denmark
18. Arthur shares a birthday with Crown Prince Jigme Namgyel Wangchuck of Bhutant, The Gyalsey
19. Mr. Chatto shares a birthday with Peter, Hereditary Prince of Yugoslavia. 
20. Like most young kids, he's active on social media (instagram, facebook). (don't bother asking for the links)