The sister of actor Serge Marquand and actor-director Christian Marquand, Trintignant worked as an editor with such directors as Jacques Doniol-Valcroze and Jean-Luc Godard before turning to directing. Her films typically deal with the problems of familial and sexual relationships. Wife, since 1960, of Jean-Louis Trintignant and mother of Marie Trintignant; both have appeared in her films.
When left school at 15, worked as trainee film editor in L.T.C. Lab; then worked as assistant editor and script person on films by Jules Dassin and Alexandre Astruc; also edited films by Doniol-Valcroze, Jean-Luc Godard and Christian Marquand
1966
Directed first film, "Fragilite, ton nome est femme..." (Starred husband Jean-Louis)
1969
Feature film writing and directing debut, "Mon amour, mon amour"
