Jean de Cherchemont (died 1328) was Chancellor of France during the reigns of Philip V of France, Charles IV of France and Philip VI of France.Georges Tessier, Les chanceliers de Philippe VI, Comptes-rendus des séances de l'Académie des inscriptions et belles-lettres (Volume 101, no 4), p. 356-373, 1957
This covered two periods, 1321 to 1322, and 1323 to 1328.https://www.justice.gouv.fr/justice-france/ministere-justice/anciens-chanceliers-gardes-sceaux-ministres-justice French Ministry of Justice website
He appears in The Accursed Kings. He was played by Daniel Gall in the 1972 miniseries and Mircea Stohan in the 2005 miniseries.
Sources
Further reading Joseph Petit, Charles de Valois, 1900 Robert-Henri Bautier, Recherches sur la chancellerie royale au temps de Philippe VI, Bibliothèque de l'école des chartes, 1965