He was the son of painter Vincenzo , and younger brother of Arturo Petrocelli .
He was the son of painter Vincenzo and the younger brother of Arturo Petrocelli .
He was the son of painter Vincenzo and the younger brother of Arturo Petrocelli .
解释一下这句话: He was the son of painter Vincenzo , and younger brother of Arturo Petrocelli . 输出: