Rendu's reputation quickly grew in all the districts of the capital and also beyond to the towns in the region. She knew how to surround herself with many efficient and dedicated collaborators. The donations flowed in quickly as the rich were unable to resist this persuasive woman. Even the former royalty did not forget her in their generosity. Bishops, priests, the Spanish Ambassador, King Charles X, the powerful General Louis-Eugène Cavaignac, and the most distinguished men of state and culture, even the Emperor Napoleon III with his wife, were often seen in her parlor.