Complex sentence: He has been brought up in Brussels, a unique melting pot of two cultures (Latin and Germanic), as son and pupil of the expressionist painter, Louis Pevernagie (1904-1970).
Split into simpler sentences: He has been brought up in Brussels, a unique melting pot of two cultures (Latin and Germanic). He was the son and pupil of the expressionist painter, Louis Pevernagie (1904-1970).