The name Deioneus (Ancient Greek Δηιονεύς, also attested as Δηίων/Δείων and as Eioneus in some traditions) appears as an anthroponym across multiple, distinct genealogical accounts rather than as a single origin tale. Attested bearers include: a king of Phocis described as son of Aeolus in genealogical listings; a Perrhaebian father of Dia (also called Eioneus) whose daughter married Ixion and whose unpaid bride-price episode provokes conflict; an Oechalian prince, son of Eurytus, who later takes Perigune into his household after her liaison with Theseus (Perigune being given to him by Theseus); and other fleeting mentions (including a variant listing as father of Nisus). These are separate mortal figures appearing in heroic-age cycles and local genealogies (sources: Apollodorus/Library passages, Plutarch's Labors of Theseus, mythographic summaries and modern reference entries such as Wikipedia).
No consistent or remarkable physical description is given for bearers of the name in the supplied sources. Deioneus figures are presented as ordinary aristocratic males—kings, princes, fathers or husbands—typical of heroic-age household heads in Greek narrative. The etymological gloss 'ravager' is recorded in modern reference (Wikipedia) for the name itself, but no attendant epic epithets or distinctive corporeal traits are specified in the primary genealogical or narrative accounts.
No supernatural powers are attributed to any Deioneus in the provided material. Reported behaviors and roles are social and mortal: acting as father or husband, arranging marriages or receiving brides (e.g., father of Dia; husband of Perigune), exercising retaliatory or protective action in disputes (variants of the Ixion tradition describe Deioneus reacting to an unpaid bride-price, including accounts where Deioneus steals Ixion's horses), and serving as a dynastic link in regional genealogies (e.g., father of Cephalus in a Phocian lineage). In the Ixion cycle some traditions record Ixion murdering Deioneus (pushing him into flaming coals) to avoid payment—this is a narrative action against a mortal figure rather than a supernatural contest.
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Cephalus
Cephalus (Ancient Greek: Κέφαλος) is an ancient Greek masculine personal name borne by several mythological and literary figures. In surviving sources he appears as a hunter, husband of Procris, a beloved of the dawn-goddess Eos in some traditions, a son in varying genealogies, and as a named interlocutor in Plato's Republic rather than as a class of supernatural being.

Theseus
Theseus is a legendary hero of Greek myth credited with clearing dangers from Attic roads, slaying the Minotaur, and performing foundational civic acts for Athens (including synoikismos and establishing cult practice). He is portrayed as of mixed mortal and divine parentage and functions as a culture-hero and exemplar in later authors' moralizing biographies.
Community Record
- [1]Deioneus - Wikipedia. Wikipedia entry 'Deioneus', summary of variants and etymology.wiki
- [2]Deioneus sandizelli - Wikipedia. Wikipedia entry noting modern zoological homonym.wiki
- [3]The Library of Apollodorus (Son of Amphitryon). Apollodorus passages cited in archive (genealogical placement: Cephalus son of Deioneus).literary
- [4]Plutarch, Labors of Theseus. Plutarch, 'Labors of Theseus'—Perigune given to Deioneus son of Eurytus.literary
- [5]Who's Who in Classical Mythology (index entry: Deioneus). Reference index entries listing multiple bearers of the name Deioneus in genealogical accounts.other
- [6]Ixion in Greek Mythology - Greek Legends and Myths. Modern myth-summary describing Ixion's bride-price episode with Dia, daughter of Deioneus, and variants where Ixion refuses payment and murders Deioneus.folk
- [7]Person: Deioneus (myths.uvic.ca). Scholarly/mythographic listing of Deioneus variants and occurrences.other