It changed hands twice between the Northern Dutch and the Spanish during the Eighty Years’ War: on December 9, 1570, it was taken by the Geuzen; ten days later by the Spanish again; and on June 25, 1572, it was retaken by the Dutch.
From 1619 the castle became a prison for political prisoners. One famous inmate was the eminent lawyer, poet and politician Hugo de Groot (Hugo Grotius) often presented as the “father of modern international law”, who was serving a controversially imposed life sentence from 1619. In 1621, his wife Maria van Reigersberg, who was also staying at the castle, hid with him in a book chest that was regularly brought for them.[1][2] He subsequently became the Swedish Ambassador to France for 10 years. Another high-profile inmate was the English Vice-Admiral George Ayscue.
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