Ludwik Osiński

In 1794, he participated in the Kościuszko Uprising; serving in a militia unit led by Andrzej Karwowski [pl] on the front at Narew.

From 1801 to 1807, he and the educator, Konstanty Wolski [pl], operated a boarding house for young men in Warsaw; teaching Polish literature and language.

During this time, he was an active member of the Warsaw Society of Friends of Learning and, from 1804 to 1814, he served as its Secretary.

During the brief existence of the Duchy of Warsaw, he was an official of the Ministry of Justice; first as Secretary General, then as the recorder for the Court of Cassation.

[2] From 1812 to 1816, he was an official of the "Great National East of Poland" (Wielki Wschód Narodowy Polski), a Masonic organization.