Complex sentence: He was a pupil first locally of a priest by the name of Giovan Tommaso, then in Naples of Massimo Stanzione, but like many of his contemporaries in Naples, he received the second hand influence of the the style of Caravaggio.
Split into simpler sentences: He was a pupil first locally of a priest by the name of Giovan Tommaso, then in Naples of Massimo Stanzione. In Naples, like many of his contemporaries in Naples, he was influenced by the style of Caravaggio.