The slave ship Duchesse de Grammont departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Haiti.

Vessel: Duchesse de Grammont; flag: France; estimated standardized tonnage: 453.1. People recorded in connection with the voyage: Investor: Saint-Marc; Captain: Loisement de Beaulieu. The voyage began at Saint-Malo on 25 November 1763. Principal recorded place where captives were acquired: Africa, port unspecified (Other Africa). Principal recorded disembarkation place: Cap Français. Recorded duration of the captives' Atlantic crossing: 51 days. Recorded outcome: Voyage completed as intended.