
1) Offspring of Poseidon 2) Offspring of Zeus
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https://www.crosswordclues.com/clue/achaeus
[genus] Achaeus is a genus of crabs comprising the following species: ...
Found on
http://en.wikipedia.org/wiki/Achaeus_(genus)
[son of Xuthus] Achaeus (Ἀχαιός) was, according to nearly all traditions, a son of Xuthus and Creusa, and consequently a brother of Ion and grandson of Hellen. The Achaeans regarded him as the author of their race, and derived from him their own name as well as that of Achaia, which was formerly called Aegialus. When his uncle Aeolus...
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http://en.wikipedia.org/wiki/Achaeus_(son_of_Xuthus)

(from the article `Antiochus III`) The son of Seleucus II, Antiochus succeeded his brother Seleucus III as king. He retained from the previous administration Hermias as chief minister, ...
Found on
http://www.britannica.com/eb/a-z/a/11
No exact match found.