The slave ship Duchesse d'Orléans left the African coast carrying enslaved Africans toward Haiti. About 412 people had been taken aboard.

Vessel: Duchesse d'Orléans; flag: France; estimated standardized tonnage: 305.3. People recorded in connection with the voyage: Captain: Prado, Jacques; Investor: Dumotay Bossinot. The voyage began at Nantes on 5 August 1720. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Cap Français. Recorded duration of the captives' Atlantic crossing: 54 days. Estimated mortality during the crossing: 13.0%. Recorded outcome: Voyage completed as intended.