1. Seal XLVIII.16 Reference (shelfmark): Seal XLVIII.16 Title: Scope & Content: Margaret [dau. of Baldwin, Emperor of Constantinople, widow of Will. of Pourbon, Lord of Dampierre, Count of Flanders] Countess of Flanders and Hainault [1244-1247]. Flanders: Count of. William of Bourbon. Seal of his widow Margaret. Collection Area: Western Manuscripts Languages: English Date Range: 1244-1247 Extent: 1 item