COURTOIS Guillaume (b. 1628, Franche-Comt_, d. 1679, Roma) Nationality : French
French painter, who together with his brother Jacques were active in Italy and often known by the Italian forms of the names, Giacomo and Guglielmo Cortese. They came from Burgundy and both had the nickname Il Borgognone or Le Bourguignon. At about age seven, painter's son Guillaume Courtois left France for Italy with his teenage brother. They followed the military campaigns that his brother drew, then studied in Bologna, Florence, and Siena, arriving in Rome by 1638.