Original: He was accepted into the studio of Jean-Auguste-Dominique Ingres in 1830 , at the age of eleven , becoming the favorite pupil of the great classicist , who came to regard him as his truest disciple .
Simplified: In 1830 , at the age of eleven , he started to study with Jean-Auguste-Dominique Ingres , and soon he became the favorite pupil of the great classicist .