| Ruler |
Dynasty |
Reign |
Notes |
Władysław II Jagiełło
(Ladislas II) |
 |
Jagiellon |
1386-1434 |
reigned jointly with his wife King Jadwiga until 1399
the longest reigning king of Poland |
Władysław III
(Ladislas III) |
 |
Jagiellon |
1434-1444 |
son of Ladislas II
Also king of Hungary
fell at Varna, therefore surnamed "of Varna" |
Kazimierz IV
(Casimir IV) |
 |
Jagiellon |
1447-1492 |
son of Ladislas II |
Jan I Olbracht
(John I Albert) |
 |
Jagiellon |
1492-1501 |
son of Casimir IV |
Aleksander
(Alexander) |
 |
Jagiellon |
1501-1506 |
son of Casimir IV |
Zygmunt I the Old
(Sigismund I) |
 |
Jagiellon |
1506-1548 |
son of Casimir IV
forced Prussian Homage in 1525
annexed Duchy of Masovia in 1526
entered alliance with Maximilian I, Holy Roman Emperor |
Zygmunt II August I
(Sigismund II August I) |
 |
Jagiellon |
1548-1572 |
son of Sigismund I
replaced the personal union of the Kingdom of Poland and the Grand Duchy of Lithuania with a real union and an elective monarchy |