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Catherine of Saxe-Lauenburg, Duchess of Mecklenburg

German noblewoman
The basics
Date of birth
Date of death Sep 22, 1450
Mother: Sophia of Braunschweig-Lüneburg
Father: Eric IV Duke of Saxe-Lauenburg
Spouse: John VII of Werle John IV Duke of Mecklenburg
Brother(s): Magnus von Sachsen-Lauenburg Eric V Duke of Saxe-Lauenburg Bernard II Duke of Saxe-Lauenburg John IV Duke of Saxe-Lauenburg
Children: Henry IV Duke of Mecklenburg John V Duke of Mecklenburg
The details

Catherine of Saxe-Lauenburg (born: circa 1400; died: 22 September 1450), was Duchess of Saxe-Lauenburg by birth and by marriage Baroness of Werle-Güstrow and later Duchess of Mecklenburg and Regent from 1422 to 1436. All of these places are located in what is now called northern Germany.

Catherine was the daughter of Eric IV and Sophia of Brunswick-Lüneburg. She married firstly, John VII of Werle. He died in 1414. She then married the Duke John IV of Mecklenburg in 1416. When John died in 1422, after six years of marriage, she ruled until 1436 as Regent for her minor sons.

For a long time, a charter date July 1448 was the last known document to name Catherine. Then a charter surfaced which suggested she died in November. Around the turn of the Century, Hans Witte could finally prove she died on St. Maurice day (22 September) 1450.


From her marriage with John, Catherine had two sons:

  • Henry IV the Fat, Duke of Mecklenburg (1417 to 1477)
  • John V, Duke of Mecklenburg (1418–1442)
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