File photo dated March 4, 2015 of Serge Dassault and his son Olivier Dassault in Merignac, France. French entrepreneur and politician Serge Dassault has died at the age of 93, his family has said. Mr Dassault led the Dassault group after his father, Marcel's, death in 1986. The group has numerous firms in aeronautics and armaments and owns the French newspaper, Le Figaro. Mr Dassault was one of France's richest men and ranked high on the billionaires list of both Bloomberg and Forbes. Photo by Perrogon/ANDBZ/ABACAPRESS.COM