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Lagus (Greek Λάγος; lived 4th century BC) from Eordaea was the father, or reputed father, of Ptolemy, the founder of the Ptolemaic dynasty. He married Arsinoe, a concubine of Philip II, king of Macedon, who was said to have been pregnant at the time of their marriage, on which account it is told that the Macedonians generally looked upon Ptolemy as in reality the son of Philip; but it is possible that this is a later myth fabricated to glorify the Ptolemaic dynasty.[1] From an anecdote recorded by Plutarch[2], it is clear that Lagus was a man of obscure birth; hence, when Theocritus[3] calls Ptolemy a descendant of Heracles, he probably means to represent him as the son of Philip. Lagus is believed by some to have subsequently married Antigone, niece of Antipater, by whom he became the father of Berenice, afterwards the wife of Ptolemy, but this is based on a misreading of a corrupt scholium; her father's name was almost certainly Magas.[4]

Born4th c. BC
Died4th c. BC
SpouseArsinoe of Macedon
IssuePtolemy I Soter
HousePtolemaic dynasty
See Laukaz for the rune.

Lagus (Lykaionike)Edit

Lagus (son of Ptolemy), winner in Synoris Arcadian Lykaia 308 BC,[5] may be a relative of Lagus family.



  1. ^ Pausanias, Description of Greece, i. 6; Curtius Rufus, Historia Alexandri Magni, ix. 8; Suda, s.v. "Lagos"
  2. ^ Plutarch, Moralia, "Concerning the Cure of Anger. A Dialogue", 9 (42 MB PDF)
  3. ^ Theocritus, Idylls, xvii. 7
  4. ^ Scholia ad Theocritum
  5. ^ IG V,2 550.8

  This article incorporates text from a publication now in the public domainSmith, William, ed. (1870). "article name needed. Dictionary of Greek and Roman Biography and Mythology.