on 12 june 1775, clothilde attended the coronation of her brother louis xvi in reims. on 8 august, the ambassador of sardinia, count de viry, presented the official proposal to clothilde from charles emmanuel, and on the 16th, the official engagement was announced to the royal court. on 21 august 1775, louis xvi had his sister clotilde married in versailles by procuration to charles emmanuel, prince of piedmont, eldest son of victor amadeus iii of sardinia and maria antonia ferdinanda of spain, with her second eldest brother the count of provence as proxy for the groom, and with cardinal de la roche-aymon officiating at the ceremony.