Jan Dubčanský of Zdenín (; 1490–1543) was a Moravian nobleman, printer of the first Czech language book in Moravia, and founder of the Zwinglian but pacifist Habrovany Brethren, later led by Matěj Poustevník.King and estates in the Bohemian lands, 1526-1564 Kenneth J. Dillon - 1976 "In 1537 the Moravian courts had already bowed before royal pressure in a case concerning a noble named Jan Dubcansky. Dubcansky was a leader of the Moravian Habrovanites, a splinter sect preaching radical pacifism"
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