Françoise Vaillant is Michel's wife. She first appeared in 1963, as a teenager. At that time, she was a journalist for a newspaper owned by her father Louis Latour, a good friend of Henri Vaillant. In 1966, she appeared again, but as an older, attractive young woman. From that time on, she appeared in every album of the series and saw Vaillant more and more, until his family urged him to marry her. They married in 1974. Françoise has an important role in the series, and in some adventures she is the main character.