Career
Lubomirski was Krajczy of the Crown and Secretary of the King since 1620, voivode of Ruthenian Voivodeship since 1628 (or 1625?), voivode of Krakow Voivodeship and General starost of Krakow since 1638, starost of Krzepirz, Niepołomice, Spisz, Sandomierz, Sącz and Zator. Since 1640 (or 1647) prince of the Holy Roman Empire. In 1609 he took part in the siege of Smoleńsk by sponsoring several military units, which he used to keep order (and enforce his will) in the Krakow Voivodeship (his units defeated Lisowczycy after this mercenary band started pillaging Krakow areas in the 1620s).
After the death of January Karol Chodkiewicz, in the rank of regimentarz he commanded the Polish forces during the battle of Chocim in 1621 (see Moldavian Magnate Wars).
In 1634 Lubomirski was second in command in Ukraine, after Stanisław Koniecpolski, and in 1635 he befriended a French negotiator at the Treaty of Sztumska Wieś, count Claude d"Avaux. He opposed plans to marry Władysław IV Waza to a Calvinist princess.
He also opposed Władyslaw"s idea of Kawaleria Orderowa and his plans to wage war on Ottomans. Lubomirski inherited a large estate from his father and multiplied it by a marriage with Zofia Ostrogska in 1613.
They had five children together: Aleksander Michał Lubomirski, Jerzy Sebastian Lubomirski, Konstanty Jacek Lubomirski, Konstancja Lubomirska and Anna Krystyna Lubomirska.
By 1642 he owned 10 castles, 12 towns, 300 villages and many forests, lakes, mills and even private salt mines, making him one of the wealthiest magnates in Poland of his time.