| François de Pisseleu - Initial sponsor | Abbé having started construction in 1559. |
| Philibert de l’Orme - Renaissance architect | Designed the base and central staircase. |
| Diane de France - Owner and patron | Finished the hotel and inspired its decors. |
| Guillaume Ier de Lamoignon - First President of Parliament | Fit from the hotel a literary salon. |
| Antoine Moriau - Prosecutor and librophile | Founded the first municipal library. |
| Robert de Cotte - Architect of the Lamonion | The hotel was built in the 18th century. |