Haamstede Castle (Slot Haamstede) was built originally in the 12th century and it probably consisted of a wooden keep on a motte, circled by a moat. There is also archeological evidence of Roman habitation on this site. Around 1200 this castle came into the possession of Floris IV, Count of Holland. In 1229 the castle went to the Lords of Zierikzee through an exchange with Floris IV. The new inhabitants of the castle called themselves Van Haamstede.
The castle was destroyed by fire in 1525. Only the keep, built in the 13th century, survived. The other castle was rebuilt in the 17th century. The keep was provided with 2 square towers on both sides. The smallest one served as a stair tower. During the 19th and 20th century the castle was renovated twice until it got its present appearance.
At present Haamstede Castle is owned by the Vereniging Natuurmonumenten, a society for the preservation of nature monuments in the Netherlands.
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Kakesbeck is one of the largest medieval fortifications in Münsterland and the oldest castle in Lüdinghausen. The imposingly grown complex originated in 1120 as a motte, a small hilltop tower castle. After numerous changes of ownership, the castle was extended onto two islands, but it was not until the 14th century that it underwent significant alterations and extensions under the von Oer family. The estate experienced its heyday in the middle of the 18th century, when it covered an area of almost one square kilometre and consisted of five further outer castles in addition to the core castle, which were secured by ramparts and moats.
The well-maintained condition of the castle today is thanks to the late Wilfried Grewing, the former lord of the castle. The foundation named after him has been particularly committed to preserving the property since 2020.