-Christian Vadim
-birth name (Christian Igor Christophe Plemiannikov)
- is the love-child of Roger Vadim and Catherine Deneuve.
-married Caroline Buffatini (1996 - present) 1 child
-His half-sister is his mother's daughter, Chiara Mastroianni.
-Other half-sister is father's daughter with Jane Fonda, Vanessa Vadim,
-other half-sister Nathalie Vadim, with Annette Vadim, and Catherine Schneider with Vania Vadim.
-Grandson of his mother's side French actor Maurice Dorléac and French actress Renée Deneuve.
-Niece of actress Françoise Dorléac, actress Sylvie Dorléac and Danielle Dorléac.
-grandson of his father's side Marie-Antoinette Ardilouse,Igor Nikolaevich Plemyannikov.