The couple, married in 2001, share Princess Ingrid Alexandra, 22, and Prince Sverre Magnus, 20. Mette-Marit is also mother to Marius Borg Høiby, 29, who is facing 38 alleged sexual abuse and assault charges. The Crown Princess appeared in U.S. Department of Justice files released Jan. 30 related to the Jeffrey Epstein investigation and has denied any wrongdoing in an emotional interview with NRK. Other royals have faced health scares as well: Queen Sonja was recently hospitalized for heart problems and has returned home, while King Harald has had several health issues and hospital stays in recent years.