Don't know for sure which brother this is but I think it's Denmark's crown prince
Danish Crown Princess Mary, Crown Prince Frederik and Prince Christian attending a Justin Timberlake concert in Parken Stadium, Copenhagen, 06.05.14.
Myroyals: Danish Royal Family hosted a dinner in honour of Vietnamese President Truong Tan Sang and Madam Mai Thi Hanh at Fredensborg Palace 9/18/2013
Royal Family Around the World: The Danish Crown Prince Couple attend the revival premiere of "Tosca" at The Copenhagen Opera House, 12 October, 2014
Running to hug daddy after the 2011 Summer Cruise.
Crown Prince Frederick and Crown Princess Mary with Prince Christian 2007
October 4,2003-- - the first exit after the announcement of the engagement and the first time when the public holding hands in public. Marriage Jørgen Skeel and Marie Louise Toft in Tikøb (Elsinore)--The Princess Mary: Royal bride