A private jet with six people on board crashed in the Caribbean on Saturday.
Two children are suspected to be among the victims, on whose board was the family of German billionaire Rainer Schaller, owner of several gyms 'Rainer Schaller' and founder of "RSG Group".
Rainer Schaller was one of the passengers. His partner, Christiane Schikorsky, and their children were the other passengers on board, Bild newspaper reported.
Search and rescue teams said they have managed to identify parts of the plane, including one of the engines.
During the search, the bodies of two children, a book and a children's toy were found.
The plane took off from Mexico and lost communication with the control tower near Barra de Parismina in the Caribbean Sea.
Authorities began search protocols, but bad weather hampered the search.
The search began at 5 a.m. Saturday local time, while the other people have not yet been found.