Margaret of Brieg

Margaret of Brieg
Duchess consort of Bavaria
Tenure	1353–1386
Born	1342
Died	1386 (aged 43–44)
Spouse	Albert I, Duke of Bavaria
Issue	Katharina, Duchess of Gelders and Jülich Johanna, Queen of the Romans and Bohemia Margaret, Duchess of Burgundy William II, Duke of Bavaria Albert II, Duke of Bavaria Joanna Sophia, Duchess of Austria John III, Duke of Bavaria
House	Piast
Father	Ludwik I the Fair
Mother	Agnes of Głogów

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.

Margaret was the eldest of six siblings, her brother was Henryk VIII with a Scar 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 Rudolph I of Germany and Gertrude of Hohenburg.

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. 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, many offspring died in infancy and the mother may die during childbirth. Margaret and Louis had the following children:

All of Margaret's daughter 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

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