Ezra 4:6

4:6 Ahasuerus. Ahasuerus (Xerxes) succeeded Darius and was king of Persia from 486 to 465 b.c.

they wrote an accusation. The subject of the verb is not specified, but the context shows that the troublemakers were a later generation of the “adversaries” of v. 1. Nothing is said about the nature of the accusation.