Vladimir Olgerdovich was a son of which ruler of medieval Lithuania?
Vladimir Olgerdovich Vladimir Olgerdovich (Belarusian: Уладзімер Альгердавіч , Lithuanian: "Vladimiras Algirdaitis" , Polish: "Włodzimierz Olgierdowic" , Ukrainian: Володимир Ольгердович ; died after 1398) was a son of Algirdas, Grand Duke of Lithuania, and his first wife Maria of Vitebsk. He was Grand Prince of Kiev from 1362 to 1394. His sons Ivan and Alexander started the Belsky and Olelkovich families.
Names and titles of Władysław II Jagiełło Jogaila, or Władysław II Jagiełło (ca.1351/1361–1434), was a Grand Duke of Lithuania and from 1386 Queen Jadwiga's husband and "jure uxoris" King of Poland. In Lithuania, he held the title "Didysis Kunigaikštis", translated as Grand Duke or Grand Prince ("kunigaikštis" is a cognate of "König" and "king", and "didysis" magnifies it).