In Rodez, his doctor and dentist for 10 years was Urbain Hémard who dedicated to him his famous book Recherche de la vraye anathomie des dents, nature et propriété d’icelles.
When his former tutor and countryman from Albi, the adventurous philologist and investigator of the antiquities of Constantinople Pierre Gilles, died penniless in Rome in 1555, Cardinal d'Aramagnac arranged from Toulouse to pay the funeral expenses and erect a wall tomb [2].
The papal city of Avignon remained faithful in the bloody Wars of Religion that had broken out in earnest in 1562, but in the surrounding Venaissin the Huguenots were solidly implanted in Orange and the neighboring Dauphiné, and fierce fighting ensued.
In this position the Cardinal d'Armagnac vigorously defended Catholic interests against the Huguenots; when his cousin Jeanne d'Albret, queen of Navarre and mother of the future Henry IV, declared for the reformed church, he sent her a stiff letter of reproof, which, with her skillful and courageous reply conjoined, was printed and circulated throughout the south.
Georges d'Armagnac's position among the first nobility of Languedoc, his intelligence and judgment of men and events, and the protection which he granted to the arts and sciences placed him in the first rank of the faithful servants of the 16th-century Church.