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'Władysław Wiktoryn Siciński' (ca. 1615-1672) was a member of the Polish-Lithuanian gentry and a member of the administration of the Polish-Lithuanian Commonwealth. A master of the table (since 1655) and lower court clerk (since 1666) of Upita, he was among the delegates of the Troki Voivodeship to the Sejm of 1652. He is credited with using the liberum veto for the first time in Polish history, possibly under influence of Janusz Radziwiłł.