Ill-feeling arose between the unhappy pair, and eventually she was tried for poisoning her husband.

She was condemned with extenuating circumstances, and imprisoned at Montpellier in 1839.

She declared that she was innocent of the crime imputed to her, and Jasmin's faith in the virtue of womanhood led him to believe her.

Her letters to Jasmin were touching.
"Many pens," she said, "have celebrated your genius; let mine touch your heart! Oh, yes, sir, you are good, noble, and generous! I preserve every word of yours as a dear consolation; I guard each of your promises as a holy hope.

Voltaire has saved Calas.