The 28-year-old son of Norway’s crown princess, Marius Borg Høiby, is facing multiple charges of sexual assault, rape and bodily harm following a 10-months-long police investigation.
Oslo police announced the charges on Friday Saturday local time, revealing that the case involved a “double-digit” number of alleged victims.
Marius Borg Høiby, the stepson of the heir to the throne, Crown Prince Haakon, and eldest son of Crown Princess Mette-Marit, was four when his mother married into the Norwegian Royal family. While he holds no title or official duties, he is stepbrother to Australia’s newest royal-in-residence, Princess Ingrid Alexandra and Prince Sverre Magnus – the second and third (respectively) in line to Norway’s royal throne.
Høiby has been the subject of police investigation since August 2024, when he was arrested following allegations of rape and preliminary charges of bodily harm and criminal damage.

Speaking at a press conference regarding the matter, Oslo police attorney Andreas Kruszewski revealed the extent of the charges against Marius Høiby.
“I cannot go into further detail about the number of victims in the case beyond confirming that it is a double-digit number,” he said, adding that Høiby has been cooperating with investigators.
Høiby’s lawyer, Peter Sekulic, confirmed as much, adding that his client is “taking the accusations very seriously, but doesn’t acknowledge any wrongdoing in most of the cases – especially the cases regarding sexual abuse and violence.”
The charges come less than a year after Høiby revealed to Norway’s public broadcaster that he had caused bodily harm and destroyed objects in an apartment while he was under the influence of drugs and alcohol.
Prosecutors will determine whether or not the 28-year-old will be indicted on the charges, with further updates expected in the coming months.
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