 He became one of the leaders of a group of chiefs who dominated the ruling Manilla Pepple house.On the death of King Dapho of Bonny on 13 August 1855, the acting British Consul in the Bight of Biafra, J.W.B.Lynslager, signed a document on 11 September 1855 appointing the chiefs Anne Pepple, Ada Allison, Captain Hart and Manilla Pepple as a regency, required to consult with Banigo and Oko Jumbo, "two gentlemen of the river".