Marius Borg Høiby

Marius Borg Høiby
Marius Borg Høiby
Born	13 January 1997; Oslo, Norway
Mother	Mette-Marit Tjessem Høiby
Relatives	Crown Prince Haakon (stepfather); Princess Ingrid Alexandra (half-sister); Prince Sverre Magnus (half-brother);
Criminal charge	Rape and other charges; Violence, assault, battery, threats; Drug possession (convicted 2017);
Imprisoned at	Oslo Prison; (remand prisoner in Q1 2026)

Marius Borg Høiby (born 13 January 1997) is a celebrity in Norway. When Marius Borg Høiby was four years-old, his mother became crown princess, when she married Crown Prince Haakon. She is titled Crown Princess Mette-Marit. His father is Morten Borg.

Høiby is in a 29-day trial that is expected to last until 19 March 2026. Høiby is being tried on 38 criminal counts, including rape and domestic violence; in addition, 6 counts were added in mid-February 2026: one count of drugs [possession], three counts of speeding on motorcycle, and two counts of violating restraining order. One more count was added, in early March. He is being held at Oslo Prison (as of mid-March 2026).

Marius Borg Høiby is not royal.