Pierrefonds, Oise

Pierrefonds is a commune in the French department of Oise, Hauts-de-France, northern France, known for its Château de Pierrefonds.

History
The lords of Pierrefonds in the Middle Ages were:
 * Nivelon I of Pierrefonds (1047–1073)
 * Nivelon II of Pierrefonds (1073–1102)
 * Dreux (1102–1160)
 * Nivelon III (1160–1161)
 * Agatha (1161–1192)
 * Conon, Count of Soissons (1161–1182), her husband
 * Gaucher III of Châtillon (1192–1193), her cousin

Pierrefonds was sold to the crown in 1193.