Given the task definition and input, reply with output. Given an English sentence, convert it into the french language.

His older brother was Karl Polanyi , the political economist and anthropologist , and his niece was Eva Zeisel , a world-renowned ceramist .

Le frère aîné de Mihály est Károly Polányi , économiste politique et anthropologue , et sa nièce Éva Zeisel , une céramiste mondialement réputée .