Count Peter Ivanovich Ivelich or Peter Ivelich IV was a Serb Montenegrin who ranks among the most important Russian generals who fought during the Napoleonic invasion of Russia. His portrait was added to the Military Gallery of the Winter Palace along with other participants in the Patriotic War of 1812. His uncles are count Marko Ivelich, major-general Ivan Konstantinovich Ivelich and colonel Simeon Konstantinovich Ivelich.

Count Marko Konstantinovich Ivelić (1740–1825) was a Montenegrin born Russian general from Risan in the Kotor Bay who rose to prominence in Russian military service during the reign of Emperor Nicholas I of Russia and Prince-Bishop Petar I Petrović-Njegoš of Montenegro. He became a Russian general and count. In 1811 he was a diplomatic emissary to Revolutionary Serbia.