The Histories · 6.52

For the Lacedemonians, who herein agree with none of the poets, say that Aristodemos the son of Aristomachos, the son of Cleodaios, the son of Hyllos, being their king, led them himself (and not the sons of Aristodemos) to this land which they now possess. Then after no long time the wife of Aristodemos, whose name was Argeia,--she was the daughter, they say, of Autesion, the son of Tisamenes, the son of Thersander, the son of Polyneikes,--she, it is said, brought forth twins; and Aristodemos lived but to see his children and then ended his life by sickness. So the Lacedemonians of that time resolved according to established custom to make the elder of the children their king; but they did not know which of them they should take, because they were like one another and of equal size; and when they were not able to make out, or even before this, they inquired of their mother; and she said…

Herodotus of Halicarnassus · trans. G. C. Macaulay, 1890
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