Marie appears to have dark, brown hair and wears a white, puffy dress.
Nothing much is known about her personality, except that something might’ve motivated her into leaving her key to her great-niece.
- It is unknown how she died.
- According to Jessica Borutski, she is Arthur's aunt and Mina's great aunt and shares the same last name as Mina and her dad.
- Marie did not make any physical appearances until the episode, “Lafitte's Lucky Locket.”