He and his wife printed books in the vernacular to appeal to a wide audience; two of his sons, Denis and Simon, took up the same trade.
After his death in December 1544, his widow, Jeanne de Marnef (who also came from a family of printers and booksellers), continued the business alone for a year and a half.
She then married merchant printer Estienne Groulleau, who joined her in running the business, though she focused, after a while, almost exclusively on printing.
[1] Like his father, Denis Janot printed works in the vernacular, though specializing in "poetry, moral philosophy and history.
[6] Rawles claims that his editions of works by Clément Marot were among his most important printings of French poetry.