Alecto is one of the Erinyes

Erinyes

In Greek mythology the Erinyes from Greek ἐρίνειν " pursue, persecute"--sometimes referred to as "infernal goddesses" -- were female chthonic deities of vengeance. A formulaic oath in the Iliad invokes them as "those who beneath the earth punish whosoever has sworn a false oath"...

 in Greek mythology

Greek mythology

Greek mythology is the body of myths and legends belonging to the ancient Greeks, concerning their gods and heroes, the nature of the world, and the origins and significance of their own cult and ritual practices. They were a part of religion in ancient Greece...

. According to Hesiod

Hesiod

Hesiod was a Greek oral poet generally thought by scholars to have been active between 750 and 650 BC, around the same time as Homer. His is the first European poetry in which the poet regards himself as a topic, an individual with a distinctive role to play. Ancient authors credited him and...

, she was the daughter of Gaea

Gaia (mythology)

Gaia was the primordial Earth-goddess in ancient Greek religion. Gaia was the great mother of all: the heavenly gods and Titans were descended from her union with Uranus , the sea-gods from her union with Pontus , the Giants from her mating with Tartarus and mortal creatures were sprung or born...

 fertilized by the blood spilled from Uranus

Uranus (mythology)

Uranus , was the primal Greek god personifying the sky. His equivalent in Roman mythology was Caelus. In Ancient Greek literature, according to Hesiod in his Theogony, Uranus or Father Sky was the son and husband of Gaia, Mother Earth...

 when Cronus

Cronus

In Greek mythology, Cronus or Kronos was the leader and the youngest of the first generation of Titans, divine descendants of Gaia, the earth, and Uranus, the sky...

 castrated him. She is the sister of Tisiphone

Tisiphone

Tisiphone is the name of two figures in Greek mythology.-Erinyes:Tisiphone was one of the Erinyes or Furies, and sister of Alecto and Megaera. She was the one who punished crimes of murder: parricide, fratricide and homicide...

 and Megaera

Megaera

Megaera is one of the Erinyes, Eumenides or "Furies" in Greek mythology. Lamprière's Classical Dictionary states "According to the most received opinions, they were three in number, Tisiphone, Megara [sic] and Alecto" and "Megaera .....

. Alecto is the Erinys with the job of castigating the moral crimes (such as anger), especially if they are against other people. Her function is very similar to Nemesis

Nemesis (mythology)

In Greek mythology, Nemesis , also called Rhamnousia/Rhamnusia at her sanctuary at Rhamnous, north of Marathon, was the spirit of divine retribution against those who succumb to hubris . The Greeks personified vengeful fate as a remorseless goddess: the goddess of revenge...

, with the difference that Nemesis's function is to castigate crimes against the gods. Alecto appeared in Virgil

Virgil

Publius Vergilius Maro, usually called Virgil or Vergil in English , was an ancient Roman poet of the Augustan period. He is known for three major works of Latin literature, the Eclogues , the Georgics, and the epic Aeneid...

's Aeneid

Aeneid

The Aeneid is a Latin epic poem, written by Virgil between 29 and 19 BC, that tells the legendary story of Aeneas, a Trojan who travelled to Italy, where he became the ancestor of the Romans. It is composed of roughly 10,000 lines in dactylic hexameter...

, in Dante

DANTE

Delivery of Advanced Network Technology to Europe is a not-for-profit organisation that plans, builds and operates the international networks that interconnect the various national research and education networks in Europe and surrounding regions...

's Inferno, in Miklós Zrínyi

Miklós Zrínyi

Miklós Zrínyi or Nikola Zrinski was a Croatian and Hungarian soldier, statesman and poet, member of the Zrinski noble family....

's Siege of Sziget and appeared in Dostoyevsky books too, in his subliminar psyche, as one of the three Erinyes, and also in Handel

HANDEL

HANDEL was the code-name for the UK's National Attack Warning System in the Cold War. It consisted of a small console consisting of two microphones, lights and gauges. The reason behind this was to provide a back-up if anything failed....

's Rinaldo

Rinaldo

Rinaldo may refer to:*Rinaldo , an Italian opera by George Frideric Handel*Rinaldo , a cantata by Johannes Brahms*Rinaldo , a character in Torquato Tasso's Jerusalem Delivered...

HWV 7 in the Aria "Sibillar gli angui d'Aletto".
In the Aeneid, Allecto was demanded by Juno

Juno

- Astronomy and space exploration :* 3 Juno, an asteroid** Juno clump, a probable asteroid family in the vicinity of 3 Juno* Juno , a NASA mission to Jupiter* Juno I, a satellite launch vehicle* Project Juno, a private British space programme...

to not let the Trojans have their way with King Latinus by marriage or besiege Italian borders. Alecto's mission is to wreak havoc on the Trojans and cause their downfall through war. Alecto takes over the body of Queen Amata and clamors for all of the Latin mothers to riot against the Trojans.