Ascanius was a legendary king of Alba Longa and is the son of the Trojan hero Aeneas and Creusa, daughter of Priam. He is a character in Roman mythology, and has a divine lineage, being the son of Aeneas, who is the son of the goddess Venus and the hero Anchises, a relative of the king Priam; thus Ascanius has divine ascendents by both parents, being descendants of god Jupiter and Dardanus. He is also an ancestor of Romulus, Remus and the Gens Julia. Together with his father, he is a major character in Virgil's Aeneid, and he is depicted as one of the founders of the Roman race.

In Greek mythology, Priam was the legendary and last king of Troy during the Trojan War. He was the son of Laomedon. His many children included notable characters such as Hector, Paris, and Cassandra.