The slave ship NS da Conceição Sr do Bonfim Real Duque arrived with enslaved Africans in Brazil. About 226 people had been taken aboard and approximately 224 arrived.

Vessel: NS da Conceição Sr do Bonfim Real Duque; flag: Portugal / Brazil; rig: Curveta. People recorded in connection with the voyage: Captain: Mota, Francisco Luís da; Investor: Silva, Silvestre José da. The voyage began at Bahia, place unspecified on 12 January 1790. Principal recorded place where captives were acquired: Costa da Mina, place unspecified (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 47 days. Estimated mortality during the crossing: 1.0%. Recorded outcome: Voyage completed as intended.