Daughter of Bob Desmarets, director of the Paris "Vel d'hiv" and actor in The King of the Gate Crashers (1930).
Member of the jury at the Cannes Film Festival in 1962.
Mother of Catherine Desmarets.
Was working with Jacques de Baroncelli on his penultimate film "Rocambole" when she met her future husband, his son Jean de Baroncelli.