the epithet 'pius' is used about Aeneas throughout the epic
as the founder of the Roman race, he should honour the gods and family and of the right thing for his people
easy to find examples of him making sacrifices and vows and showing respect to the gods
book 1 - introduces himself as 'Aeneas, known for my devotion'
Hector's message is that Aeneas should leave Troy and take the city's sacraments and household gods with him
he cannot as his father, Anchises, refuses to leave
to abandon his father would not be the action of his pious son
the solution comes in a sign from Jupiter
the image of Aeneas, personifying Piety, with his son holding his hand, and his father on his shoulders bearing the sacred gods of Troy, was one well-known in the Roman world
book 4 - Aeneas is told to leave Carthage
he follows the command of the gods, but at the expense of Dido, whom he heartlessly abandons - most people interpret bk 4 in this way
book 2 - Aeneas and his family leave Troy
book 6 - burial of Misenus
book 6 - Anchises' account of his son's piety
book 7 - Aeneas makes offerings on reaching his destination
book 8 - Aeneas honours the gods after the dream from Tiber
book 10 - Aeneas' reaction to the death of Lausus
book 11 - Aeneas makes offerings to Mars
book 11 - preparations for the funeral of Pallas
book 11 - agreement to the truce
book 12 - swearing an oath
book 12 - Aeneas is reluctant to break the view he had made
book 12 - Aeneas' farewell to Ascanius
book 12 - if piety means keeping an oath, then killing Turnus is a pious act, because Aeneas is fulfilling his promise to Evander