Margaret II, Countess of Flanders
Princess
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Margaret, often called Margaret of Constantinople, ruled as Countess of Flanders during 1244–1278 and Countess of Hainaut during 1244–1253 and 1257–1280. She was the younger daughter of Baldwin IX, Count of Flanders and Hainaut, and Marie of... Wikipedia
Born: June 2, 1202
Died: February 10, 1280 (age 77 years), Ghent, Belgium
Parents: Baldwin I, Latin Emperor and Marie of Champagne
Grandchildren: John II, Count of Holland, Robert III, Count of Flanders, Margaret of Flanders, Duchess of Brabant, and more
Children: Guy, Count of Flanders, John I, Count of Hainaut, Baldwin of Avesnes, and more
Spouse: Bouchard IV of Avesnes (m. 1212)
Siblings: Joan, Countess of Flanders