The slave ship Duc de Bretagne departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Martinique.

Vessel: Duc de Bretagne; flag: France; estimated standardized tonnage: 350. People recorded in connection with the voyage: Captain: Cazalis, Jean de; Investor: Montaudoin. The voyage began at Nantes on 22 January 1706. Principal recorded place where captives were acquired: Whydah, Ouidah (Bight of Benin). Principal recorded disembarkation place: Martinique, place unspecified. Estimated mortality during the crossing: 16.0%. Recorded outcome: Voyage completed as intended.