| Adrien de Lezay-Marnésia - Prefect of Bas-Rhin | Initiator of benches in 1811. |
| Auguste-César West - Prefect of Bas-Rhin | Relaunch of the benches in 1854. |
| Napoléon Ier - Emperor of the French | Father of the King of Rome celebrated. |
| Marie-Louise d'Autriche - Empress, wife of Napoleon I | Mother of the King of Rome. |
| Napoléon III - Emperor of the French | Indirect sponsor (1854). |
| Eugénie de Montijo - Empress, wife of Napoleon III | Inspiring benches of 1854. |