Who is Dilan Polat and his wife Engin Polat, what are their claims?

Dilan Polat and his wife Engin Polat are on the agenda of social media. Details about the life of Dilan Polat, who has millions of followers, are curious. The life of Dilan Polat, who allegedly “laundered money with his wife”, is questioned by citizens in search engines. So who are Dilan Polat and his wife Engin Polat, what are their claims?