1159 is the year that the wooden stronghold of the Lords of Grimbergen is burned down during the war of Grimbergen. In the 13th century a new stone castle is erected. The foundations of that castle are probably still present under today's ruin. Around the year 1500 the current castle is built. In the years 1610 –1620 the castle is remodeled and the park enlarged by Jacques van Bergen – Glymes. Filip Frand van Bergen becomes Prince of Grimbergen in 1686. For the next couple of centuries the castle lives a peaceful life until WWII. The German troops confiscate the castle and arson the castle on their retreat. What was left after the fire we still can see now. You find the ruins in the Prinsenbos in the village of Grimbergen close to Brussels.