Margaret II, Countess of Flanders (born 1202)

Margaret II, Countess of Flanders

Countess of Flanders from 1244 to 1278

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 Count Baldwin IX and Marie of Champagne.