"I saw Electra with companions many, 'Mongst whom I knew both Hector and Aeneas, Caesar in armour with gerfalcon eyes; I saw Camilla and Penthesilea"

(Canto 4, lines 121-124)

The Electra mentioned here is the Pleiad, mother of Dardanus who founded Troy, not the more famous daughter of Agamemnon who is the main character in tragedies by Sophocles and Euripides. Her "companions many" include her illustrious descendants, Hector, Aeneas and Ceasar. Hector was Troy's greatest hero, who instilled great fear in the Greek forces during the Trojan war. He was killed by Achilles; as was the Penthesilea here mentioned, queen of the Amazons, who came to assist the besieged city of Troy.