Wikipedia
Kossakowski
150px|thumb|right|Józef Kazimierz Kossakowski (1738–1794) 150px|thumb|right|Jan Nepomucen Kossakowski (1755–1808) thumb|150px| Józef Kossakowski (1772–1842) Kossakowski (, ) was a noble family of the Polish–Lithuanian Commonwealth of the Masovian descent.