Agenor was a son of Jasus, and, in some mythological traditions, father of the giant Argus Panoptes

Argus Panoptes

In Greek mythology, Argus Panoptes or Argos, guardian of the heifer-nymph Io and son of Arestor, was a primordial giant whose epithet "Panoptes", "all-seeing", led to his being described with multiple, often one hundred, eyes. The epithet Panoptes was applied to the Titan of the Sun, Helios, and...

. Hellanicus of Lesbos

Hellanicus of Lesbos

Hellanicus of Lesbos was an ancient Greek logographer who flourished during the latter half of the 5th century BC. He was born in Mytilene on the isle of Lesbos in 490 BC and is reputed to have lived to the age of 85...

 states that Agenor was instead a son of Phoroneus

Phoroneus

In Greek mythology, Phoroneus was a culture-hero of the Argolid, fire-bringer, primordial king of Argos and son of the river god Inachus and either Melia, the primordial ash-tree nymph or Argia, the embodiment of the Argolid itself: "Inachus, son of Oceanus, begat Phoroneus by his sister Argia,"...

, and brother of Jasus and Pelasgus

Pelasgus

In Greek mythology, Pelasgus was the eponymous ancestor of the Pelasgians, the mythical inhabitants of Greece who established the worship of the Dodonaean Zeus, Hephaestus, the Cabeiri, and other divinities. In the different parts of the country once occupied by Pelasgians, there existed...

, and that after their father's death, the two elder brothers divided his dominions between themselves in such a manner that Pelasgus received the country about the river Erasmus, and built Larissa

Larissa

Larissa is the capital and biggest city of the Thessaly region of Greece and capital of the Larissa regional unit. It is a principal agricultural centre and a national transportation hub, linked by road and rail with the port of Volos, the city of Thessaloniki and Athens...

, and Jasus the country about Elis

Elis

Elis, or Eleia is an ancient district that corresponds with the modern Elis peripheral unit...

. After the death of these two, Agenor, the youngest, invaded their dominions, and thus became king of Argos

Argos

Argos is a city and a former municipality in Argolis, Peloponnese, Greece. Since the 2011 local government reform it is part of the municipality Argos-Mykines, of which it is a municipal unit. It is 11 kilometres from Nafplion, which was its historic harbour...

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Identical to Agenor, son of Triopas

Agenor, son of Triopas

Agenor was the son and successor of Triopas, in the kingdom of Argos. He belonged to the house of Phoroneus, and was father of Crotopus. He was also said to have been the brother of king of Argos Iasus, Anthus and Pelasgus....

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