1.
A letter from Joan of Constantinople, Countess of Flanders (1220/1221, June 7)
A letter from Margaret of Constantinople, Countess of Flanders (1256, October 15)
2.
3.
A letter from Joan of Constantinople, Countess of Flanders (1226, December 21)
A letter from Joan of Constantinople, Countess of Flanders (1235, March)
A letter from Margaret of Constantinople, Countess of Flanders (1244/1245, March)
A letter from Counts of Flanders (1226)
A letter from Margaret of Constantinople, Countess of Flanders (1245, March)
A letter from Joan of Constantinople, Countess of Flanders (1240, November 4)
A letter from Ferdinand/Ferrand of Portugal, Count of Flanders (1230, March)
A letter from Margaret of Constantinople, Countess of Flanders (1256, March 22)
