User:D1551D3N7/sandbox

No page exists for the Tromp Family disappearance, it is mentioned on the page https://en.wikipedia.org/wiki/Folie_%C3%A0_deux

https://www.news.com.au/national/is-the-tromp-family-suffering-from-a-rare-shared-psychotic-disorder-known-as-folie--deux/news-story/7b349973f3af4588002f9b21bce007d6