Ilpenstein

Ilpenstein (also Het huis te Ilpendam) was the name of a ruined castle of the Free and high Lordship of Purmerend, Purmerland and Ilpendam, located in Ilpendam (Waterland) in the north of the city of Amsterdam.

History
In the year 1618 Volkert Overlander - knight, mayor and advisor of the city of Amsterdam - bought the Lordship from the Count of Egmond. In 1622 Overlander built the castle of Ilpenstein. After Overlanders death Frans Banning Cocq, who has married his daughter Maria, inherited his influence and properties in the north of Amsterdam with the title as Lord of Purmerland and Ilpendam. Since Banning Cocqs death in 1655 the castle belongs to the Amsterdam regent family De Graeff.

Joost van den Vondel wrote some brave poems about Pieter de Graeffs and Jacoba Bickers wedding in 1662 at castle Ilpenstein. Their cousin and brother-in-law Johan de Witt was also at this marriage party.

The last residents were Christina Elisabeth de Graeff and her husband Jacob Gerrit van Garderen. In 1872, the castle was sold and a new building was constructed at the site.