[1][2] After several years of study at the Academy of Kraków, he took part in the war against the insurgents of Bohdan Khmelnytsky and participated in the battles of Zbarazh in 1649, Beresteczko in 1651, Żwaniec in 1653 and Ochmatów in 1655.

In the first period of the Swedish "Deluge" he was commander of Husarian and Pancerni squadrons in the Battle of Wojnicz on 2 October 1655, but soon change the sides and served under Charles X Gustav.

In February 1656 he returned to the Army of the Crown and fought in the rank of a pułkownik of the cavalry in the Battle of Warsaw.

During the Royal election of 1674, he supported the candidacy of Prince Charles of Lorraine for the Polish throne.

Dymitr Jerzy married Marianna Zamoyska, daughter of podstoli of Lwów Zdzisław Jan Zamoyski h. Jelita and had two children:[3] His second wife was Princess Teofila Ludwika Zasławska, daughter of Prince Władysław Dominik Zasławski, niece of King Jan III Sobieski.