Jan Kazimierz Sapieha the Younger
Grand Hetman of Lithuania
Years: 1637 - 1720
Jan Kazimierz Sapieha the Younger (Lithuanian: Jonas Kazimieras Sapiega jaunesnysis) (1637–1720) is a Grand Hetman of Lithuania from 1682.
He holds the title of Duke from 1700.
In 1681, he becomes Field Hetman of Lithuania; the following year he also becomes the voivode of Vilnius.
He is the founder of Sapieha Palace in Vilnius, designed by Pietro Perti from Italy.
