Dorothea of Brandenburg, Duchess of Saxe-Lauenburg

Dorothea of Brandenburg
Born	1446
Died	March 1519
Spouse	John V, Duke of Saxe-Lauenburg (also counted IV)
Father	Frederick II, Elector of Brandenburg
Mother	Catherine of Saxony

Dorothea of Brandenburg (1446 – March 1519) was a princess of Brandenburg by birth and by marriage Duchess of Saxe-Lauenburg.

Dorothea was the eldest child of Elector Frederick II of Brandenburg (1413–1471) from his marriage to Catherine (1421–1476), daughter of Elector Frederick I of Saxony.

She married on 12 February 1464 in Lüneburg Duke John V of Saxe-Lauenburg (1439–1507). As she was oldest daughter of the Elector Frederick, who had no surviving sons, the marriage agreement was important. In addition to a 10000 florins dowry, Frederick promised his son-in-law everything that he could legally leave to his daughter. Later, however, Frederick abdicated in favour of his younger brother Albert Achilles, so as to keep his possessions in the family.

Frederick also failed to pay the dowry to his son-in-law. This led Dorothea's uncle John the Alchemist to compare himself with the Elector Frederick in 1482.

From her marriage with John of Saxony, Angria and Westphalia, as he was officially titled, Dorothea had the following children:

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