Son of André Hossein, an Azeri composer, from Samarkand, Uzbekistan, and Anna Mincovschi, a Jewish comedy actress, from Soroca, Bessarabia.
Son, Nicolas Hossein, with Caroline Eliacheff. He took his mother's name and became Nicolas Eliacheff, and rabbi in Strasbourg under the name of Aaron Eliacheff.
Son, Julien Hossein, with Candice Patou.
Sons, Igor Hossein and Pierre Hossein, with Marina Vlady.
Member of the jury at the Cannes Film Festival in 1963
Robert Hossein lived at 19, Avenue Paul Doumer. In Le Cercle Rouge, the gangster Corey lives at the same address.