He taught at the Royal Academy of Arts in
Toulouse where
Jean Auguste Dominique Ingres was among his pupils. Ingres entered the
Academy of Toulouse in 1791 under Roques.[2] He was a prolific artist and one of the most notable exponents of
neoclassicism outside of the centre of the movement in
Paris, though later in life he tended towards
romanticism.
The Death of Marat by Guillaume-Joseph Roques, 1793, with a knife lying on the floor at lower left
L'intérieur de la chapelle de l'Inquisition, 1822 Musée du Vieux Toulouse
La mission de 1819 dans la cathédrale Saint-Etienne Musée du Vieux Toulouse
Bergers de la vallée de Campan, 1835.
Nativite de la Vierge, 1810. This painting is the preparatory sketch for the painting in Notre-Dame de la Daurade. Angels at the top partially restored.