Der Titel des Duc d'Alençon gehört zur Domaine Royale.
Der Reale Hintergrund:
- Peter II d'Alençon (1340–1404), count-peer of Alençon (1367–1404) and baron-peer of Châteauneuf
- John IV d'Alençon (1385–1415), count then duke of Alençon, peer (1404–1415) and baron-peer of Châteauneuf
- John V d'Alençon (v.1407-1476), duke-peer of Alençon (1415–1458 and 1461–1474) and baron-peer of Châteauneuf
- René d'Alençon (v.1454-1492), duke-peer of Alençon (1483–1492) and baron-peer of Châteauneuf
- Charles IV d'Alençon (1489–1525), duke-peer of Alençon (1492–1525) and baron-peer of Châteauneuf
- Francis of France (1554–1584), duke-peer of Alençon (1566–1584) and of Anjou
- Charles de Berry (1686–1714), duke-peer of Alençon (1710–1714) and of Angoulême
- Louis of France (1755–1824), duke-peer of Alençon (1774–1790) and of Anjou then king (Louis XVIII) of France