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Books about Jakobea:
Hammerschläge: Aus Flämischen Chroniken. Vertheidigung Von Steenwyk Und Jakobea, Königin Der Niederlande : Zwei... by J. M. Rath (Feb 27, 2012)
Wiki information Jakobea:
Princess Jakobea of Baden was daughter of the Margrave Philibert of Baden-Baden and Mechthild of Bavaria. She has been compared with Mary Stuart, because both met a violent death in the framework of a religious conflict.