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Keywords from Image Description:
Portrait of Count Ernst Mansfeld. en Ernst Prince and Count of Mansfeld Marquis of Castellum Novum and Butigliria Baron of Heldrungen General etc by Robertus van Voerst after painting by Sir Anthonis van Dyck date unknown boijmans nl PK Robert van Voerst other versions PDold Ernst von Mansfeld Prints in the Museum Boijmans