Abstract
The article deals with the activities of brothers Alexander and Andriy Poteben. The work of the prominent Ukrainian philosopher, linguist and public figure - Alexander Potebni, is covered. His contribution to the development of Ukrainian science is analyzed. The most important scientific achievements of the scientist and their influence on the further development of Ukrainian philosophical thought are mentioned. The scholar's attitude and opinions regarding the Ukrainian language in the context of the current sociopolitical situation are shown. Among other things, his views on Ukrainian-Polish and Ukrainian-Russian relations in the historical past are highlighted. The article analyzes the life and activities of another brother, Andrew Potebni. The period of his stay and study in the Polotsk Cadet Corps is covered. Some aspects of friendship with cadets of Polish, Belarusian and Lithuanian origin are considered. Some of them later became members of the Polish uprising of 1863 against the Russian Empire. The character of A. Potebna and the formation of the outlook of a future participant of revolutionary events in the territory of the Polish lands are characterized. He is referred to his transfer to the 16th Schlossburg Infantry Regiment of the 4th Infantry Division, localized in Warsaw. A. Potebni's participation in the revolutionary struggle and his role during the January Polish uprising of 1863–1864 was demonstrated. The article considers the attitude of the newspaper's editorial staff to it and its struggle against the Russian autocracy. Personal relationships and friendships between A. Potebnei and O. Herzen and M. Ogarev are characterized. The activities of the Committee of Russian Officers in Poland are covered. The article discusses the versions of the attempt on O. Lieders, who held the position of governor of the Kingdom of Poland. The participation of other family members - Nicholas and Peter Potebni - is partially covered. They also joined the Polish armed struggle to restore the Commonwealth.

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