by Susan Flantzer
© Unofficial Royalty 2021

The first king of the House of Vasa, and considered as the founding father of the modern Swedish state, Gustav I or Gustav Vasa was born as Gustav Eriksson Vasa on May 12, 1496, at Lindholmen’s Farm (link in Swedish), a manor house in Orkesta, Uppland, Sweden or Rydboholm Castle in Östra Ryds, Uppland, Sweden. He was the eldest of the eight children of Erik Johansson Vasa, a Swedish noble and the Lord of Rydboholm Castle, and Cecilia Månsdotter Eka, a Swedish noblewoman.

Gustav Vasa had seven younger siblings:

• Margareta Eriksdotter Vasa (1497 – 1536), married (1) Joakim Brahe, had four children (2) Johan VII, Count of Hoya, had two children
• Johan Eriksson Vasa (born 1499, died young)
• Magnus Eriksson Vasa (1501 – 1529)
• Anna Eriksdotter Vasa (1503 – 1545), nun at Vadstena Abbey
• Birgitta Eriksdotter Vasa (born 1505, died young)
• Marta Eriksdotter Vasa (1507 – 1523), died from the plague during captivity in Denmark
• Emerentia Eriksdotter Vasa (1507 – 1523), died from plague during captivity in Denmark

Gustav Vasa spent most of his childhood with his sister Margareta at Rydboholm Castle. When he was 13-years-old, he went to Uppsala to attend school, and then studied at Uppsala University for four years. Gustav was then sent to the court of Sten Sture the Younger, a Swedish nobleman who served as the regent of Sweden. There Gustav was taught court etiquette, fencing, and he was trained as an army officer.

Since 1397, Sweden has been part of the Kalmar Union – the three kingdoms of Denmark, Norway, and Sweden were ruled by one monarch. Denmark was dominant in the Kalmar Union and  this occasionally led to uprisings in Sweden. In 1520, King Christian II of Denmark, Norway, and Sweden, who asserted his claim to Sweden by force, ordered a massacre of Swedish nobles in Stockholm, including Gustav’s father Erik Johansson Vasa and Joakim Brahe, the first husband of his sister Margareta. This came to be known as the “Stockholm Bloodbath” Gustav’s mother and her two younger daughters Marta and Emerentia were taken to Denmark in 1521 and imprisoned in the infamous Blue Tower in Copenhagen Castle where they died of the plague in 1523.

The actions of King Christian II stirred the Swedish nobility to a new resistance. During the Swedish War of Liberation (1521 – 1523), Gustav Vasa successfully deposed King Christian II from the throne of Sweden, ending the Kalmar Union between Denmark, Norway, and Sweden. On June 6, 1523, Gustav Vasa was elected King of Sweden by the Swedish Riksdag (legislature), and soon all Danish troops were driven out of the country.  On January 12, 1528, in Uppsala Cathedral, King Gustav I was crowned King of Sweden. Within a few years, Gustav I rejected Roman Catholicism and led his kingdom into the Swedish Protestant Reformation.

King Gustav I ranks among Sweden’s greatest monarchs and some argue that he was the most significant ruler in Swedish history. He ended foreign domination in Sweden, centralized and reorganized the government, cut religious ties to Rome, established the Church of Sweden, and founded Sweden’s hereditary monarchy. Gustav is often described as the founding father of the modern Swedish state. However, as with his contemporary King Henry VIII of England, historians have noted the brutal methods with which he often ruled and that his legacy should not be viewed in exclusively positive terms.

Gustav I, King of Sweden married three times:

Gustav I married his first wife Katharina of Saxe-Lauenburg (1513–1535), daughter of Magnus I, Duke of Saxe-Lauenburg and Katharina of Brunswick-Lüneburg, in Stockholm, Sweden on September 24, 1531. Katharina fell while pregnant with her second child. The fall led to complications and 22-year-old Katharina died on September 23, 1535, along with her unborn child. She is buried at Uppsala Cathedral in Uppsala, Sweden.

Gustav and Katharina had one son who succeeded his father and reigned for nine years until he was deposed:

• Eric XIV, King of Sweden (1533 – 1577), married Karin Månsdotter, his mistress, had two children before marriage and two children after marriage

On October 1, 1536, in Uppsala Cathedral in Uppsala, Sweden, Gustav I married his second wife Margareta Leijonhufvud (1516–1551). Margareta was a member of the Leijonhufvud family, one of Sweden’s most powerful noble families. Her constant pregnancies took a toll on her health and she died from pneumonia at the age of 35 on August 26, 1551, and is buried at Uppsala Cathedral in Uppsala, Sweden.

Gustav and Margareta had ten children including Johan III, King of Sweden who succeeded his deposed half-brother Eric XIV.

• Johan III, King of Sweden (1537 – 1592), married (1) Katarina Jagellonica of Poland, had three children including his successor Sigismund III Vasa, King of Sweden (2) Gunilla Bielke, had one son
• Katarina Gustavsdotter Vasa (1539 – 1610), married Edzard II, Count of East Frisia, had ten children
• Cecilia Gustavsdotter Vasa (1540 – 1627), married Christoph II, Margrave of Baden-Rodemachern, had seven children
• Magnus Gustavson Vasa, Duke of Östergötland (1542 – 1595), unmarried, mentally ill
• Karl Gustavson Vasa (born and died 1544), died in infancy
• Anna Gustavsdotter Vasa (1545 – 1610), married of Georg Johann I, Count Palatine of Veldenz, had eleven children
• Sten Gustavson Vasa (1546 – 1547), died in infancy
• Sofia Gustavsdotter Vasa (1547 – 1611), married Magnus II, Duke of Saxe-Lauenburg, had six children but only one lived past infancy
• Elisabet Gustavsdotter Vasa (1549 – 1597), married Christoph, Duke of Mecklenburg-Gadebusch, had one daughter
• Karl IX, King of Sweden (1550 – 1611), married (1) Maria of Palatinate-Simmern, had six children but only one daughter survived childhood (2) Christina of Holstein-Gottorp, had four children including his successor Gustavus Adolphus, King of Sweden

On August 22, 1552, at Vadstena Abbey in Vadstena, Sweden, Gustav I married his third wife 17-year-old Katarina Stenbock (1535 – 1621), who was the daughter of Gustaf Olofsson Stenbock and Brita Eriksdotter Leijonhufvud, who was the sister of King Gustav I’s second wife Margareta Leijonhufvud. They had no children. Katarina survived her husband by sixty-one years, dying on December 13, 1621, aged 86, and was buried in Uppsala Cathedral in Uppsala, Sweden.

In the late 1550s, Gustav I’s health declined. He died on September 29, 1560, aged 64, at Tre Kronor Castle (Three Crowns Castle) which stood on the site of the present Stockholm Palace in Stockholm, Sweden. The official cause of death was cholera but it may have been dysentery or typhoid. Gustav I, King of Sweden was buried in the Vasa Chapel at Uppsala Cathedral in Uppsala, Sweden with his first two wives. Gustav’s effigy is in the middle of the tomb with the effigies of his wives Katharina of Saxe-Lauenburg and Margareta Leijonhufvud on either side.

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Works Cited

• De.wikipedia.org. 2021. Gustav I. Wasa. [online] Available at: <https://de.wikipedia.org/wiki/Gustav_I._Wasa> [Accessed 18 March 2021].
• En.wikipedia.org. 2021. Erik Johansson Vasa. [online] Available at: <https://en.wikipedia.org/wiki/Erik_Johansson_Vasa> [Accessed 18 March 2021].
• En.wikipedia.org. 2021. Gustav I of Sweden. [online] Available at: <https://en.wikipedia.org/wiki/Gustav_I_of_Sweden> [Accessed 18 March 2021].
• Sv.wikipedia.org. 2021. Gustav Vasa. [online] Available at: <https://sv.wikipedia.org/wiki/Gustav_Vasa> [Accessed 18 March 2021].

Kingdom of Sweden Resources at Unofficial Royalty

• Kingdom of Sweden Index
• Swedish Orders and Honours
• Swedish Royal Dates
• Swedish Royal Burial Sites
• Swedish Royal Christenings
• Swedish Royal Residences
• Swedish Royal Weddings
• Line of Succession to the Throne of Sweden
• Profiles of the Swedish Royal Family