in the same apartment, together with her son-in-law, retired Colonel Billot, Yvonne's widower; the census documents list Jeanne as "mother" in 1954 and "widow" in 1962. Her grandson Frédéric Billot lived next door with his wife Renée. Her brother François died in 1962, aged 97. Her son-in-law Joseph died in January 1963, and her grandson Frédéric died in an automobile accident in August of the same year.

In 1965, aged 90 and with no heirs left, Calment signed a life estate contract on her apartment