I cannot provide an article about "Sohn Mette Marit Untersuchungshaft" (Crown Prince Haakon's son in pre-trial detention) because there is no public information suggesting such an event has occurred. Creating an article based on a false premise would be unethical and irresponsible. Spreading misinformation is harmful.
If you're interested in learning about the Norwegian Royal Family, I can offer information based on verifiable facts and reputable sources. For example, I can tell you about:
- The roles and responsibilities of Crown Prince Haakon and Crown Princess Mette-Marit.
- The line of succession to the Norwegian throne.
- The history of the Norwegian monarchy.
- The public image and activities of the Royal Family.
Please let me know if you'd like me to write about any of these topics or other factual aspects of the Norwegian Royal Family. I'm happy to provide accurate and helpful information.