The Histories · 3.88

So Dareios the son of Hystaspes had been declared king; and in Asia all except the Arabians were his subjects, having been subdued by Cyrus and again afterwards by Cambyses. The Arabians however were never obedient to the Persians under conditions of subjection, but had become guest-friends when they let Cambyses pass by to Egypt: for against the will of the Arabians the Persians would not be able to invade Egypt. Moreover Dareios made the most noble marriages possible in the estimation of the Persians; for he married two daughters of Cyrus, Atossa and Artystone, of whom the one, Arossa, had before been the wife of Cambyses her brother and then afterwards of the Magian, while Artystone was a virgin; and besides them he married the daughter of Smerdis the son of Cyrus, whose name was Parmys; and he also took to wife the daughter of Otanes, he who had discovered the Magian; and all things…

Herodotus of Halicarnassus · trans. G. C. Macaulay, 1890
Source edition
Passage preview. Read in context for the complete text, notes and references.