Keywords: Laocoon Pio-Clementino Inv1059-1064-1067 n9.jpg Agesander Athenedoros and Polydorus Laocoön and his sons also known as the Laocoön Group Marble copy after an Hellenistic original from ca 200 BC Found in the Baths of Trajan 1506 Laocoon et ses fils également connu comme le Groupe du Laocoon Marbre copie d'un original hellénistique de 200 av J -C environ Provenance thermes de Trajan 1506 H 1 84 m 6 ft ¼ in Museum musei Vaticani Museo Pio-Clementino Octagon Laocoön Hall object history credit line accession number Inv 1059 Inv 1064 and Inv 1067 Marie-Lan Nguyen 2009 other versions Laocoon group |