Who married Marie Etienette Perrine d'Auvilliers?

Comte Francois de Brossard married Marie Etienette Perrine d'Auvilliers on March 17, 1778. Marie Etienette Perrine d'Auvilliers was 16 years old on the wedding day (16 years, 8 months and 10 days). Comte Francois de Brossard was 38 years old on the wedding day (38 years, 8 months and 24 days). The age gap was 22 years, 0 months and 16 days.