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A letter from Thomas of Savoy, count of Flanders (1242, September)

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A letter from Thomas of Savoy, count of Flanders (1242, July)

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Clementia of Burgundy, countess of Flanders

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A letter from Joan of Constantinople, Countess of Flanders (1221, January 4)

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A letter from and Ferdinand of Portugal, Count of Flanders (1232, March)

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Adela/Adelaide, countess of Flanders

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A letter from Joan of Constantinople, Countess of Flanders (1242, June 2)

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A letter from Joan of Constantinople, Countess of Flanders (1217, May)

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A letter from Margaret of Constantinople, Countess of Flanders (1246, August 14)

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A letter from Margaret of Constantinople, Countess of Flanders (1256, October 13)