Mme de Saint-Méran
Chapter 9 - The Evening of the Betrothal
Mme de Saint-Méran / la Marquise — aliases: future mother-in-law
The Marquise is greeted by Villefort upon his return and later found in the study; before departing, Villefort kisses the hand of Mme de Saint-Méran.
Chapter 72 - Madame de Saint-Méran
Mme de Saint-Méran — aliases: Grandmother, The Marquise
The marchioness arrives in Paris grieving the death of her husband, who died suddenly from an apoplectic stroke. She suffers from high fever and hallucinations, seeing a white shape and hearing her glass move, and insists on an immediate marriage between Valentine and Franz d'Epinay, commanding a lawyer to ensure Valentine inherits the fortune before she dies.
Chapter 74 - The Villefort Family Vault
Mme de Saint-Méran
The corpse of Madame de Saint-Méran arrives in a black wagon and is transferred to a hearse for the funeral procession, ultimately being placed in the Saint-Méran compartment of the family vault alongside her husband.