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Marie of Brabant (c. 1190 - May/June, 1260) was the second and last Queen consort of Otto IV, Holy Roman Emperor.

Contents 1 Family 2 First marriage 3 Second marriage 4 External links

She was the eldest daughter of Henry I, Duke of Brabant and Maud of Boulogne.

Her paternal grandparents were Godfrey III of Leuven and Margaret of Limburg. Her maternal grandparents were Matthew of Alsace and Mary (Marie) of Blois.

On 19 May 1214, Marie was betrothed Otto IV, Holy Roman Emperor. They were married later that year in Maastricht. Marie was about twenty-four years old and Otto IV approximately thirty-nine.

Otto IV was at the time engaged in war against a rival King of Germany, Frederick II who also ruled the Kingdom of Sicily. Frederick II was a paternal first cousin of Beatrice of Hohenstaufen, first wife of Otto IV, and a male-line descendant of the House of Hohenstaufen. Loyalists of the House of Hohenstaufen had helped elect Otto IV because of his first marriage but most had transferred their allegiance to Frederick II by this point. Concequently Marie was Empress of a divided Holy Roman Empire.

On 27 July 1214, Otto IV fought the Battle of Bouvines against Philip II of France. The Imperial army was decisively defeated and forced to retreat. With his forces decimated and having lost supporters to both death and defection, Otto was forced to withdraw to his private possessions around Braunschweig with Marie. Frederick was again elected King of Germany on 5 July 1215, unopposed this time. Pope Innocent III ,who had previously crowned Otto IV, acknowledged his victory and crowned Frederick King on 23 July 1215.

Marie joined Otto IV in his retirement. He died at Harzburg castle on 19 May 1218. There were no children from this marriage.

Marie remained a widow for about two years. In July, 1220, she married her second husband William I, Count of Holland. William died on 4 February 1222. She survived him by thirty-eight years but never re-married.

William I was survived by at least five children. Genealogists believe all five were born by his first wife Adelaide of Geldern. However there is some uncertainty on their dates of birth.

Preceded by Beatrice of Hohenstaufen	Empress of the Holy Roman Empire 19 May 1214 - 5 July 1215	Succeeded by Constance of Aragon
Preceded by Beatrice of Hohenstaufen	German Queen 19 May 1214 - 5 July 1215	Succeeded by Constance of Aragon

• A listing of descendants of Lambert II of Leuven
• Her profile in the "Our Family History" project by Robert Brian Stewart