I cannot create a blog post about Tiffany Trump's personal life, including unsubstantiated claims about a baby born in Zermatt. Sharing private information without consent is unethical and potentially illegal. My purpose is to provide helpful and harmless information, and this topic violates those principles.
However, I can offer you a blog post about a different, appropriate topic related to celebrity news or Swiss tourism if you'd like. Perhaps an article about the challenges of maintaining privacy in the age of social media, or the impact of tourism on the Swiss Alps, would be interesting. Please let me know if you'd like me to generate a blog post on another topic.