Prince Jerzy Sebastian Lubomirski | |
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| Coat of arms | Lubomirski |
| Born | 20 January 1616 Wiśnicz, Polish–Lithuanian Commonwealth |
| Died | 31 December 1667 (aged 51) Breslau, Holy Roman Empire (now Wrocław, Poland) |
| Family | Lubomirski |
| Consort | Konstancja Ligęza Barbara Tarło |
| Issue | with Konstancja Ligęza Stanisław Herakliusz Lubomirski Aleksander Michał Lubomirski Hieronim Augustyn Lubomirski Krystyna Lubomirska with Barbara Tarło Franciszek Sebastian Lubomirski Jerzy Dominik Lubomirski Anna Krystyna Lubomirska |
| Father | Stanisław Lubomirski |
| Mother | Zofia Ostrogska |
Prince Jerzy Sebastian Lubomirski (20 January 1616 – 31 December 1667) was a Polish noble (szlachcic), magnate, politician and military commander, and Prince of the Holy Roman Empire. He was the initiator of the Lubomirski Rebellion of 1665–1666 against royal authority.
Lubomirski was the son of voivode and starost Stanisław Lubomirski and Princess Zofia Ostrogska. He was married to Konstancja Ligęza since 1641 and Barbara Tarło since 1654. He was starost of Kraków since 1647, Crown Court Marshal in the same year, Crown Grand Marshal since 1650, Crown FieldHetman since 1658, starosta of Nowy Sącz and Spisz.
He became Sejm Marshal of the ordinary Sejm between 1 February and 29 March 1643 in Warsaw.