Slot Ilpenstein

English: Ilpenstein is the name of a ruined castle in the dutch province of Holland.

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  Ilpenstein castle with the village of Ilpendam by Joris van der Hagen (between 1650 and 1690), Louvre
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  Old map of former Ilpenstein (early 19th century)
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  Ilpenstein castle (second half 19th century)
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  Ilpenstein castle (second half 19th century)