Krystian Godfryd Deybel de Hammerau (1725–1798) was a Polish

Polish-Lithuanian Commonwealth

The Polish–Lithuanian Commonwealth was a dualistic state of Poland and Lithuania ruled by a common monarch. It was the largest and one of the most populous countries of 16th- and 17th‑century Europe with some and a multi-ethnic population of 11 million at its peak in the early 17th century...

 military commander and a general of artillery. He fought during the Warsaw Uprising

Warsaw Uprising (1794)

The Warsaw Uprising of 1794 was an armed Polish insurrection by the city's populace early in the Kościuszko Uprising. Supported by the Polish Army, it aimed to throw off Russian control of the Polish capital city...

 of 1794 and commanded the artillery of Kościuszko's Uprising.

Born to a family of Polonized

Polonization

Polonization was the acquisition or imposition of elements of Polish culture, in particular, Polish language, as experienced in some historic periods by non-Polish populations of territories controlled or substantially influenced by Poland...

 German

Germans

The Germans are a Germanic ethnic group native to Central Europe. The English term Germans has referred to the German-speaking population of the Holy Roman Empire since the Late Middle Ages....

 aristocracy of Saxon

Electorate of Saxony

The Electorate of Saxony , sometimes referred to as Upper Saxony, was a State of the Holy Roman Empire. It was established when Emperor Charles IV raised the Ascanian duchy of Saxe-Wittenberg to the status of an Electorate by the Golden Bull of 1356...

 origin, Deybel joined the Royal Cadet Corps

Cadet Corps

Cadet Corps is a type of a military school for young boys. Although initially such military schools admitted only children of the nobles or gentry, with time many of them were also opened to other classes....

 in 1740. In 1750 he was sent to Dresden

Dresden

Dresden is the capital city of the Free State of Saxony in Germany. It is situated in a valley on the River Elbe, near the Czech border. The Dresden conurbation is part of the Saxon Triangle metropolitan area....

, where he studied artillery tactics. Upon his return to Poland in 1753 he joined the Royal Artillery and served with distinction at various posts, rising to the rank of pułkownik.

During the Warsaw Uprising

Warsaw Uprising (1794)

The Warsaw Uprising of 1794 was an armed Polish insurrection by the city's populace early in the Kościuszko Uprising. Supported by the Polish Army, it aimed to throw off Russian control of the Polish capital city...

, Deybel was the commanding officer of the Warsaw Arsenal

Warsaw Arsenal

Warsaw Arsenal is a building of a military arsenal in Warsaw, Poland. It is located at Długa street, in the proximity of the Warsaw's Old Town. Throughout the ages the building served a variety of roles. It was the scene of heavy fighting during the Warsaw Insurrection of 1794...

 and was responsible for aiding the Polish forces expelling the Russian occupation force from the city. For his actions, he was promoted to the rank of Major General

Major General

Major general or major-general is a military rank used in many countries. It is derived from the older rank of sergeant major general. A major general is a high-ranking officer, normally subordinate to the rank of lieutenant general and senior to the ranks of brigadier and brigadier general...

 on May 18, 1794. Although over 70 at that point, he remained in the Polish Army until the end of hostilities.