Sobieski was educated in Kraków and
Paris. He was a famed orator and parliamentarian. He participated in the military expedition (
Dymitriads) against
Russia in 1617-1618 (wounded during the assault of
Moscow), and was a member of the War Council (Rada wojenna) of King
Władysław IV. He took part in negotiations with
Muscovy in the
Truce of Deulino in 1618. Subsequently, he fought in the
Chocim expedition against the
Ottoman Empire in 1621, and the expedition against
Abazy Pasa in 1633. He was one of the negotiations with
Sweden in the
Treaty of Stuhmsdorf (Sztumska Wieś) in 1635. After his marriage to
Zofia Teofillia Daniłowicz his wealth increased significantly, as Zofia brought in her inheritance after the
Żółkiewski family and part of the Daniłowski family estates, including
Żółkiew Castle.
Official career He was
courtier since 1617,
Krajczy of the Crown since 1626,
Podczaszy of the Crown since 1636,
voivode of
Belz Voivodeship since 1638 and of
Ruthenian Voivodeship since 1641 and
castellan of
Kraków since 1646.
Starost of
Trembowla,
Krasnystaw,
Jaworów,
Stryj,
Kałusz,
Bar and
Gniewo. Elected Deputy to seven
Sejms between 1623 and 1632, as
Sejm Marshal he led the ordinary Sejm in
Warsaw from 24 January to 5 March 1623 and from 27 January to 10 March 1626, the extraordinary Sejm in Warsaw from 27 June to 18 July 1628 and the
Election Sejm in
Warsaw from 24 September to 15 November 1632. == Character ==