Yvert (died 1956), manager of the printer plant. │ │ ├──> Jeanne Yvert │ married Jean Gervais (died 1974), a physician, then manager of the Yvert et Tellier publisher. │ │ │ └──> Jacques Gervais, président-directeur général of Yvert et Tellier. │ │ │ └──> Benoît Gervais, succeeded his father in 1993. │ └──> Pierre Yvert (1900–1964), manager of L'Écho de la timbrologie magazine. │ └──> Jean Yvert, succeeded his father and manager of the printer plant. │ └──> Christophe Yvert, manager of the printer plant. See also Sources The book was published for the centenary of the company. It presented the history of the Yvert family and their company. External links Official website. Publishing companies of France Philately of France Stamp catalogs