Career
Born in Devínska Nová Ves near Bratislava (originally Mátyás Knéfacz), died in Klingenbach. He wrote three books in Burgenland Croatian. Knéfacz, along with Lőrinc Bogovich, Jeremiás Sosterich and Godfried Palkovich played a role in the standardization of the Burgenland Croatian language in the 18th century.