Liubartas (also Lubart, Lubko, baptized Dmitry; died 1384) was the ruler of Galicia–Volhynia, in present-day Ukraine. He was the youngest son of Gediminas, Grand Duke of Lithuania. Ca. 1320 or ca. 1323 he married a daughter of Andrew of Galicia and ruled Lutsk in eastern Volhynia. At the time Boleslaus was fourteen years old and was betrothed to Eufemija, daughter of Gediminas. Liubartas continued to rule Lutsk and Volodymyr-Volynskyi. That way the Galicia–Volhynia Wars were postpo… (More on Liubartas)