Complex sentence: The Roman poet Virgil recounted this legend in his classical epic poem the "Aeneid", where the Trojan prince Aeneas is destined by the gods to found a new Troy.
Split into simpler sentences: The Roman poet Virgil recounted this legend in his classical epic poem the "Aeneid". In the "Aeneid", the Trojan prince Aeneas is destined by the gods in his enterprise of founding a new Troy.