On April 26, 1496 King John I Albert granted the Privilege of Piotrków (Polish: "Przywilej piotrkowski", "konstytucja piotrkowska" or "statuty piotrkowskie"), <answer>increasing</answer> the nobility's feudal power over serfs. It bound the peasant to the land, as only one son (not the eldest) was permitted to leave the village; townsfolk (Polish: "mieszczaństwo") were prohibited from owning land; and positions in the Church hierarchy could be given only to nobles.
WHat happened to the nobilities feudal power?
increasing