Margaret of Brieg (1342–1386) was a daughter of Ludwik I the Fair and his wife, Agnes of Sagan. She was Duchess consort of Bavaria by her marriage to Albert I, Duke of Bavaria.

Family

Margaret was the eldest of six siblings. Her brother was Henry VII of Brzeg and her sister, Hedwig was married to Jan II of Oświęcim. Margaret's maternal grandparents were Henry IV the Faithful and Matilde of Brandenburg. Her paternal grandparents were Bolesław III the Generous and his first wife Margaret of Bohemia. Margaret of Bohemia was the youngest surviving child of Wenceslaus II of Bohemia and Judith of Habsburg. Judith was the youngest daughter of Rudolf I of Germany and Gertrude of Hohenberg.

Marriage

In Passau after 19 July 1353, Margaret and Albert were married. Albert kept mistresses and lovers, but during his reign, troubles erupted between parties because of a woman, Aleid van Poelgeest. People did not like her because she gained political influence which was resented. Van Poelgeest was murdered in September 1392 by Hook nobles. A few years after Margaret's death, Aleid was murdered in The Hague. Even though Albert had mistresses and lovers, the couple still had seven children; all of the children lived to adulthood, this was very uncommon during the time, when many offspring used to die in infancy and expecting mothers died during childbirth. Margaret and Louis had the following children: All of Margaret's daughters married into powerful royal families. One daughter, Johanna Sophia, was grandmother of Ladislaus the Posthumous. Another daughter, Margaret, was mother of Philip the Good, Duke of Burgundy.

Death

Margaret died in 1386, aged around 44. She left her husband a widower. After the death of Margaret, Albert married another woman, also named Margaret, but she was from the Duchy of Cleves. Albert's only legitimate children were from Margaret of Brieg. He had no issue by Margaret of Cleves, but they held court together in The Hague. Margaret of Brieg was buried in the Court Chapel at the Binnenhof in The Hague.

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