Pierrefonds (French pronunciation: [pjɛʁfɔ̃]) 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 (1047–1073)
Nivelon II (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.