Nana Atta Wusu Yiakosan was the leader of Akyem Abuakwa as a vassal of the Ashanti Empire up until 1811. In that year, he led a rebellion against Ashanti rule in his region, resulting in the deaths of at least 100 Ashanti individuals.
The rebellion was subsequently suppressed by an army led by Opoku Frefre.Yarak. Asante and the Dutch. p. 38.
References
Sources Larry W. Yarak. Asante and the Dutch, 1744-1873. Oxford: Clarendon Press, 1990. p. 37.