Guy Pierre Kersaint ( 1747 -- 1822 ) was a French sailor comte de Kersaint .
A French sailor is the brother of the sailor and politician Armand - Guy - Simon de Coetnempren .
Guy Pierre Kersaint ( 1747 -- 1822 ) was a French sailor , the brother of the sailor and politician Armand - Guy - Simon de Coetnempren , comte de Kersaint .