Original: These five castles are often called the cinq fils de Carcassonne (five sons of Carcassonne): Château d'Aguilar Château de Peyrepertuse Château de Puilaurens Château de Quéribus Château de Termes These five fortresses resisted various assaults led by the Aragonese army.
Simplified: These five castles are often called the cinq fils de Carcassonne (five sons of Carcassonne): Château d'Aguilar Peyrepertuse castle Puilaurens castle Quéribus castle Château de Termes These five fortresses resisted various assaults led by the Aragonese army.