- Born on December 13, 1533 at Stockholms slott
- Deceased on February 26, 1577 in Tierp, at Örbyhus slott, at the age of 43 years
Parents
- Gustav I Vasa, Gustave Ier de Suède (1496 - 1560), kung av Sverige
- Katharina von Sachsen-Lauenburg (1513 - 1535)
Family
- Married on July 4, 1568, with Karin Månsdotter (1550 - 1612)
- Relationship with Agda Persdotter