Jan Szczęsny Herburt
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Jan Szczęsny Herburt (1567–1616), Polish political writer, diplomat, poseł to the Sejm. Early supporter of kanclerz Jan Zamoyski, took part in many diplomatic missions (to Sweden, United Kingdom, the Vatican and Ottoman Empire). Later, supporter of the king Sigismund III Vasa and eventually his opponent, one of the leaders of rokosz of Zebrzydowski in 1607, imprisoned by royalists from 1607 to 1609. Author of many rokosz-related and anti-magnate treaties.