Grandy King George was a local Efik slave trader and ruler of Old Town, Calabar[1] in present-day Nigeria.
[3][4] Grandy King George, originally Ephraim Robin John[5][1] was the dominant slave trader of Old Town in Calabar.
He was a member of the Robin John family, important characters in the Trans-Atlantic slave trade who flourished in the Bight of Biafra.
[3][6] Grandy King George established trade relations with ship captains and merchants in Bristol and Liverpool, England.
[5] Once the British slave-ship captains would arrive in the port of Old Calabar, the negotiations began and once satisfied with the exchange agreement, Grandy King George would send his men in large canoes to wage war and capture Ibo and Ibibio speaking people for captives.