The slave ship Duc de Laval left the African coast carrying enslaved Africans toward Haiti. About 507 people had been taken aboard.

Vessel: Duc de Laval; flag: France; estimated standardized tonnage: 250. People recorded in connection with the voyage: Investor: Carayon; Captain: Bridon, Ch. The voyage began at La Rochelle on 28 July 1777. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Port-au-Prince. Recorded duration of the captives' Atlantic crossing: 99 days. Estimated mortality during the crossing: 4.0%. Recorded outcome: Voyage completed as intended.