a Polish general in the Napoleonic army (1808–1814). His parents were Michal Jozef Pac and Ludwika Tyzenhaus. Later, he became a senator in Congress Poland from 1825 and became a member of an influential noble family in Russian-ruled Poland. He took an active part in the November Uprising and was wounded in battle in May 1831. After the failure of the uprising he returned to France.
