HOME Surprise! Crown Princess Mette-Marit introduces her 'grandchild' The Norwegian royal's son Marius Borg Høiby visited her with his pup Julio 25 of 2019 - 12:27 EDT by Alexandra Hurtado Galería: 6 Fotos Volver a la noticia 1/6 © Instagram “Finally, the grandchild has arrived at the cabin 😅 @ marius_borg & @louieborgsnekkestad ❤️❤️❤️,” the Crown Princess captioned a photo of herself with her son Marius and his dog. 2/6 © Instagram Marius is Mette-Marit’s son from a previous relationship. 3/6 © Instagram Marius and his model girlfriend Juliane Snekkestad are the proud parents of a Boston Terrier named Louie Borg Snekkestad. Prev1/2Next More about: Norwegian Royals Crown Princess Mette-Marit Marius Borg Hoiby