Honório Pereira Barreto (1813–1859) was a governor of the Portuguese colony of Guinea

Portuguese Guinea

Portuguese Guinea was the name for what is today Guinea-Bissau from 1446 to September 10, 1974.-History:...

 (or ‘province’ as it was referred to during the time of his administration). Born in Guinea

Guinea

Guinea , officially the Republic of Guinea , is a country in West Africa. Formerly known as French Guinea , it is today sometimes called Guinea-Conakry to distinguish it from its neighbour Guinea-Bissau. Guinea is divided into eight administrative regions and subdivided into thirty-three prefectures...

 of a Guinean mother and Cape Verde

Cape Verde

The Republic of Cape Verde is an island country, spanning an archipelago of 10 islands located in the central Atlantic Ocean, 570 kilometres off the coast of Western Africa...

an father, he maintained Portuguese control of the area and even extended its influence. Prior to the independence of Guinea-Bissau

Guinea-Bissau

The Republic of Guinea-Bissau is a country in West Africa. It is bordered by Senegal to the north, and Guinea to the south and east, with the Atlantic Ocean to its west....

, Barreto was sighted by the Portuguese as the most famous governor and an example of what the local population might achieve. However, Barreto also ran a family business with his mother from the settlement of Cacheu

Cacheu

Cacheu is a town in north western Guinea-Bissau, lying on the Cacheu River. Population 9,849 .-History and landmarks:The town of Cacheu is situated in territory of the Papel people....

, where the principal products of their mercantile dealings were slaves.