Editing Gustav Vasa (section)

==Family==
{{Unreferenced section|date=June 2020}}
Gustav's first wife was [[Catherine of Saxe-Lauenburg]] (1513–1535), whom he married on 24 September 1531. They had a son:
* [[Erik XIV]] (1533–1577), Duke of Kalmar

On 1 October 1536, he married his second wife, [[Margaret Leijonhufvud|Margareta Leijonhufvud]] (1514–1551). Their children were:
* [[John III of Sweden|John III]] (Johan III) (1537–1592), [[Duke of Finland]]
* [[Katarina Vasa|Katarina]] (1539–1610), wife of [[Edzard II of Ostfriesland|Edzard II, Count of Ostfriesland]]. A grandmother of [[Anna Maria of Ostfriesland]] and great-grandmother of [[Adolf Frederick II, Duke of Mecklenburg-Strelitz]].
* [[Cecilia of Sweden|Cecilia]] (1540–1627), wife of [[Christopher II, Margrave of Baden-Rodemachern]]
* [[Magnus Vasa|Magnus]] (1542–1595), [[Duke]] of [[Östergötland]]
* Carl (1544)
* [[Anna Maria of Sweden|Anna]] (1545–1610), wife of [[George John I, Count Palatine of Veldenz]]
* Sten (1546–1547)
* [[Princess Sophia of Sweden|Sofia]] (1547–1611), wife of Duke [[Magnus II of Saxe-Lauenburg]]
* [[Princess Elizabeth of Sweden|Elisabet]] (1549–1598), wife of [[Christopher, Duke of Mecklenburg-Gadebusch]]
* [[Charles IX of Sweden|Charles IX]] (Carl IX) (1550–1611), [[Duke]] of [[Södermanland]]

At [[Vadstena Castle]], on 22 August 1552, he married his third wife, [[Katarina Stenbock]] (1535–1621).