_Erik Johansson VASA _____+
| (1470 - 1520)
_Gustav I VASA ______________________|
| (1496 - 1560) |
| |_Cecilia Månsdotter EKA _
| (1476 - 1523)
_John III Gustavsson VASA _|
| (1537 - 1592) |
| | __________________________
| | |
| |_Margareta Eriksdotter LEIJONHUFVUD _|
| (1515 - 1551) |
| |__________________________
|
|
|--Sigismund III VASA
| (1566 - 1632)
| _Casimir IV JAGIEŁŁO ___+
| | (1427 - 1492)
| _Sigismund I JAGIEŁŁO _____________|
| | (1466 - 1548) |
| | |_Elizabeth of HABSBURG ___+
| | (1436 - 1505)
|_Catherine of JAGIEŁŁO __|
(1526 - 1583) |
| _Gian Galeazzo SFORZA ____
| | (1469 - 1494)
|_Bona SFORZA ________________________|
(1493 - 1557) |
|_Isabella of TRASTÁMARA _+
(1470 - 1523)