The slave ship Three Brothers departed on a transatlantic slave-trading voyage that would carry enslaved Africans to Antigua and Barbuda.

Vessel: Three Brothers; flag: Great Britain; rig: Snauw; estimated standardized tonnage: 218.3. People recorded in connection with the voyage: Captain: Brown, John; Investor: Brown, John; Investor: Levingston, William; Investor: Oswald, Richard; Investor: Oswald, Alex; Captain: Guy; Captain: Brown, Thomas; Investor: Brown, Thomas. The voyage began at Liverpool on 4 July 1763. Principal recorded place where captives were acquired: Sierra Leone estuary. Principal recorded disembarkation place: Saint John (Antigua). Recorded outcome: Voyage completed as intended.