Prince Christian Valdemar Henri John [Edit] By Sticky Facts Editorial StaffPrince Christian Valdemar Henri John biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:Prince Christian Valdemar Henri John date of birth:October 15, 2005How old is Prince Christian Valdemar Henri John?20 Tags: birth day 15birth month octoberbirth year 2005 Suggested Posts Tom Cruise Facts Amy Adams Facts Robert Downey Jr. Facts Ariana Grande Facts David Beckham Facts Peter Dinklage Facts Marilyn Monroe Facts Lena Headey Facts