The slave ship Vrouw Johanna Cores left the African coast carrying enslaved Africans toward Guyana. About 212 people had been taken aboard.

Vessel: Vrouw Johanna Cores; flag: Netherlands; rig: Fregat; estimated standardized tonnage: 320. People recorded in connection with the voyage: Captain: Sap, Jan; Captain: Tuijneman, Jan; Investor: Middelburgsche Commercie Compagnie; Captain: Mellendags, Jacob. The voyage began at Middelburg on 14 May 1771. Principal recorded place where captives were acquired: Cape Lahou (Windward Coast). Principal recorded disembarkation place: Essequibo. Recorded outcome: Voyage completed as intended.