Berek Joselewicz was a Jewish-Polish merchant and a colonel of the Polish Army during the Kościuszko Uprising. Joselewicz commanded the first Jewish military formation in modern history Joselewicz was born in Kretinga, near Kaunas, Polish-Lithuanian Commonwealth, and worked as the financial agent for a local magnate, who often sent him abroad on various tasks, during which he learned to speak French. Wikipedia
Another person associated with Kock is Berek Joselewicz, who took part in the Polish struggle for independence and was killed in 1809 during a battle against the Austrians near Kock, where he was subsequently buried. www.diapozytyw.pl/en/site/slady_i_judaica/kock
Polish colonel under Kosciusko and Napoleon I.; born at Kretingen, government of Kovno, Russia, in the second half of the ... www.jewishencyclopedia.com/view.jsp?artid=810&letter=B
Officer in the Polish army; son of Colonel Berek (Berko). He took part in the battle of Kock, in 1809, ... www.jewishencyclopedia.com/view.jsp?artid=844&letter=B
The definitive Wikipedia entry for Berek Joselewicz. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Berek_Joselewicz