Question: The brother of the Goddesses Selene and Eos may be the natural father of what God?

full_context: Document 1: Alexander Helios: Alexander Helios (Greek: Ἀλέξανδρος Ἥλιος ; late 40 BC – unknown, but possibly between 29 and 25 BC) was a Ptolemaic prince and was the eldest son of the Macedonian queen Cleopatra VII of Ptolemaic Egypt by Roman triumvir Mark Antony. Alexander's fraternal twin sister was Cleopatra Selene II. The twins were of Macedonian Greek and Roman heritage, Cleopatra named her son after her collateral ancestor, Alexander the Great. His second name in Ancient Greek means "Sun"; this was the counterpart of his twin sister’s second name "Selene" (Σελήνη), meaning "Moon".
Document 2: Helios: Helios ( ; Ancient Greek: Ἥλιος "Hēlios"; Latinized as "Helius"; Ἠέλιος in Homeric Greek) was the personification of the Sun in Greek mythology. He is the son of the Titan Hyperion and the Titaness Theia (according to Hesiod), also known as Euryphaessa (in Homeric Hymn 31) and brother of the goddesses Selene, the moon, and Eos, the dawn.
Document 3: Alcmene: In Greek mythology, Alcmene or Alcmena (Ancient Greek: Ἀλκμήνη or Ἀλκμάνα [Doric]) was the wife of Amphitryon by whom she bore two children, Iphicles and Laonome. She is, however, better known as the mother of Heracles whose father was the god Zeus.
Document 4: Helios (encyclopedia): Helios, more fully the Helios New Encyclopedic Dictionary (Greek: Νεώτερο Εγκυκλοπαιδικό Λεξικό Ηλίου or: Νεώτερον Εγκυκλοπαιδικόν Λεξικόν Ήλιος), is a general knowledge Greek encyclopaedia. Its publication commenced in 1945 while its second edition was completed in 1960, comprising 18 volumes.
Document 5: Selene: In Greek mythology, Selene ( ; Ancient Greek: Σελήνη ] 'moon';) is the goddess of the moon. She is the daughter of the Titans Hyperion and Theia, and sister of the sun-god Helios, and Eos, goddess of the dawn. She drives her moon chariot across the heavens. Several lovers are attributed to her in various myths, including Zeus, Pan, and the mortal Endymion. In classical times, Selene was often identified with Artemis, much as her brother, Helios, was identified with Apollo. Both Selene and Artemis were also associated with Hecate, and all three were regarded as lunar goddesses, although only Selene was regarded as the personification of the moon itself. Her Roman equivalent is Luna.
Document 6: Himalia (mythology): In Greek mythology Himalia is a nymph of the eastern end of the island of Rhodes. According to Diodorus Siculus Zeus was enamoured with her and she produced three sons with him, Spartaios, Kronios, and Kytos: of them nothing further survives in writing. Jennifer Larson observes that the dictionary compiler Hesychius of Alexandria gives ίμαλιά. denoting an abundance of wheat meal, and notes the agricultural connotations of the sons' names: """Spartaios" recalls sowing, and "Kytos" means a basket or jar." Kronios" denotes a descendent of Kronos, the god of the Golden Age", a mythic time of ease and abundance.
Document 7: Hyrtacus: In Greek mythology, Hyrtacus ( ; Greek: Ὕρτακος ) is an obscure character associated with the Trojan War. He was a comrade of King Priam of Troy. Hyrtacus married Arisbe, daughter of King Merops of Percote, after Priam had divorced her to marry Hecabe. Hyrtacus's son by Arisbe was named Asius and fought at Troy. In the "Aeneid", Hyrtacus is credited with two more sons, Nisus and Hippocoon. Hyrtacus's own parentage is not given.
Document 8: Harpina: In Greek mythology, Harpina (Greek Άρπινα) was a Naiad nymph and daughter of Phliasian Asopus and of Metope. Pausanias (5.22.6) and Diodorus Siculus (4.73.1) mention Harpina and state that, according to the tradition of the Eleans and Phliasians, Ares mated with her in the city of Pisa (located in the ancient Greek region of Elis) and she bore him Oenomaus, the king of Pisa. Oenomaus (6.21.8) founded and named after his mother the city of Harpina, not far from the river Harpinates, near Olympia. Pausanias (5.22.6) mentions Harpina in his description of a group sculpture, donated by the Phliasians, of the daughters of Asopus, which included Nemea, Zeus seizing Aegina, Harpina, Corcyra, Thebe and Asopus. The sculpture was located in the sanctuary of Hippodamia at Olympia.
Document 9: Hyrmine: In Greek mythology, Hyrmine (Ὑρμίνη ) was a daughter of Neleus, Nycteus, or, according to others, of Epeius and Anaxiroe, and sister of Alector (though others assert she was an only child). She was the wife of Phorbas and by him the mother of the Argonauts Augeas, Actor and Tiphys. The natural father of Augeas by her may have been Helios.
Document 10: Hyperion (mythology): In Greek mythology, Hyperion ( ; Greek: Ὑπερίων , "Huperíōn " , "The High-One") was one of the twelve Titan children of Gaia (Earth) and Uranus (Sky or Heaven) who, led by Cronus, overthrew their father Uranus and were themselves later overthrown by the Olympians. With his sister, the Titaness Theia, Hyperion fathered Helios (Sun), Selene (Moon) and Eos (Dawn).
Document 11: Arisbe (daughter of Merops): In Greek mythology, Arisbe was a daughter of Merops of Percote, a seer. In a non-Homeric story, she married Priam, later king of Troy, and bore him a son named Aesacus. Priam subsequently divorced her in favor of Hecuba, daughter of King Dymas of Phrygia. Arisbe then married Hyrtacus, to whom she bore a son named Asius. Ephorus wrote of Arisbe as the first wife of Paris.
Document 12: Phlias: Phlias or Phlius or Phliasus was the son of Dionysus and Chthonophyle in Greek mythology. A native of Araithyrea in Argolis, he is mentioned as one of the Argonauts. Pausanias cites a version in which Philas is given as son of Ceisus, but himself maintains that Phlias was the son of Dionysus by Araethyrea (daughter of Aras), whereas Chthonophyle was his wife and mother of his son Androdamas. Hyginus calls him Phliasus, and a son of Dionysus and Ariadne. In the "Argonautica Orphica", it is simply stated that his mother was a nymph, without mention of her name. The town of Phlius (formerly called Araithyrea) was believed to have derived its name from him.
Document 13: Phelios: Phelios (フェリオス , Feriosu ) is a 1988 vertical scrolling shooter video game released for the Namco System 2 arcade platform in Japan by Namco. A Mega Drive port was released in 1990. The game features a plot loosely based on Greek mythology. The player takes control of the knight Apollo, the god of the sun, who sets off on the legendary winged horse Pegasus, to rescue his lover, Artemis, the goddess of the moon, from the Titan, Typhon. The game takes names and little else from Greek mythology in which Apollo, god of the sun, was actually Artemis's brother. The game shows players an Artemis that acts as an stereotypical princess (but in Greek mythology, she was the goddess of the hunt, and took pride in never being with any man).
Document 14: Rhodos: In Greek mythology, Rhodos/ Rhodus (Ancient Greek: Ῥόδος ) or Rhode (Ancient Greek: Ῥόδη ), was the goddess and personification of the island of Rhodes and a wife of the sun god Helios.
Document 15: Theia: In Greek mythology, Theia ( ; Ancient Greek: Θεία  "Theía" , sometimes rendered Thea, Théa or Thia), also called Euryphaessa "wide-shining", is a Titaness. Her brother/consort is Hyperion, a Titan and god of the sun, and together they are the parents of Helios (the Sun), Selene (the Moon), and Eos (the Dawn).
ground_truth: Argonauts Augeas