{{onesource, date=May 2014 N'Gangue M'voumbe Niambi was the king of Loango in the latter half of the 17th century. He profited handsomely from the Portuguese slave trade, which had recently begun. Olfert Dapper reported that Niambi possessed several firearms, although he didn't know how to use them.

References

* Dapper, Olfert, ''Description of Africa'', 1668. African slave traders 17th-century monarchs in Africa Kingdom of Loango