Back to Leaders (Civ6) "Whoever serves God has a good master." Jadwiga (1373 – 17 July 1399) was king of Poland from 1384 until her death. Through her marriage to Jogaila, Grand Duke of Lithuania, she set the foundations for the creation of the Polish-Lithuanian Commonwealth, and fostered the Christianization of Lithuania, Europe's last pagan nation. She leads the Poles in Civilization VI. Jadwiga's Poland is a flexible power that has strengths in both the military and religious arenas. Don't se