Nicolas Altmayer, the prolific French producer behind the “OSS 117” franchise and films by François Ozon, Bertrand Bonello and Julia Ducournau, and his partner Mathilde Favier, a prominent Dior public relations executive, died Monday in a car accident in western France. Mathilde Favier, the director of public relations at Christian Dior Couture, has died at age 57 in a car accident in Western France along with her partner, film producer Nicolas Altmayer, 61. Key points and original sources are listed below.

• Nicolas Altmayer, the prolific French producer behind the “OSS 117” franchise and films by François Ozon, Bertrand Bonello and Julia Ducournau, and his partner Mathilde Favier, a prominent Dior public relations executive, died Monday in a car accident in weste...S1

• Mathilde Favier, the director of public relations at Christian Dior Couture, has died at age 57 in a car accident in Western France along with her partner, film producer Nicolas Altmayer, 61.S2