Belus, Aegyptus, and Danaus: The Setup

Catalogue ID: 05-local-and-lesser/022-belus-aegyptus-danaus-lineage-apollodorus

Cycle: Local and lesser — Argive / Io’s descendants

Version line: Apollodorean genealogical setup (before the Danaid murders)

Sources: Apollodorus, *Library* 2.1.4–5; Aeschylus, *Suppliants* (Danaus as exile; Zeus–Io ancestry); Pausanias 2.16.1, 2.19.3–8

Source file: /workspace/greek-myth-catalogue/05-local-and-lesser/022-belus-aegyptus-danaus-lineage-apollodorus.md

Characters

Aegyptus — twin; father of fifty sons; pursues the marriages
Agenor — brother of Belus; Phoenician/eastern line (Cadmus, Europa)
Anchinoë — daughter of Nilus; wife of Belus
Belus — son of Libya and Poseidon; Egyptian ruler; father of Aegyptus and Danaus
Danaus — twin; father of fifty Danaids; flees to Argos; becomes king
Epeius — advises the ship and flight
Fifty sons of Aegyptus — betrothed cousins
Gelanor — Argive king who yields to Danaus
Io — ancestral bridge from Zeus’s Argive beloved to Egypt
Libya — mother of Belus and Agenor; daughter of Epaphus
River-gods — river father of Anchinoë

Places

Argos — ancestral Io-land; Danaus’s kingship
Egypt / Arabia — realms of Belus’s sons
Ethiopia — Danaus’s first allotment
The deep — Danaid flight in the first long ship

Themes

Narrative

From Io’s line in Egypt, Apollodorus traces Epaphus, then Libya, who bore twin sons to Poseidon: Agenor (ancestor of Cadmus and Europa’s eastern line) and Belus, who ruled in Egypt. Belus married Anchinoë daughter of Nilus and begot twin sons: Aegyptus and Danaus. Belus settled Aegyptus in Arabia (whence he conquered and named Egypt) and Danaus in Libya. Between the brothers arose enmity over kingship and marriage. Aegyptus had fifty sons; Danaus had fifty daughters (the Danaids). Aegyptus wished to marry his sons to his brother’s daughters—an alliance Danaus feared as a snare. Advised by Athena, Danaus built the first fifty-oared ship, embarked his daughters, and fled to Argos, the ancient home of his ancestress Io. There Gelanor yielded the kingship after a portent—a wolf defeating a bull—or after popular choice. Danaus became king; the land, once dry, received the Danaids’ search for water (Amymone and Poseidon). Aegyptus’s sons followed and demanded the brides. Danaus consented outwardly, assigned each daughter a cousin-husband, and secretly gave each a dagger with orders to kill her bridegroom on the wedding night. This entry stops at that setup: the Io–Belus genealogy, the flight by ship, and the coerced wedding agreement that frames the massacre.