The slave ship Trois Nonnes departed from Haiti after the slave-trading stage of the voyage.

Vessel: Trois Nonnes; flag: France; estimated standardized tonnage: 257.3. People recorded in connection with the voyage: Captain: Vignes, Pierre de; Investor: O'Riordan, Etienne. The voyage began at Nantes on 10 May 1749. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Léogane. Recorded duration of the captives' Atlantic crossing: 132 days. Recorded outcome: Voyage completed as intended.