Ezra 6:12

Darius : king of Persia after Cyrus and Artaxerxes Smerdis; Darius I,son of Ahasuerus; Darius II the Mede,king of Persia after Darius II; Darius III the Persian

Yerusalem : the capital city of Israel,a town; the capital of Israel near the southern border of Benjamin
(31° 50´, 34° 59´); (31° 46´, 35° 14´)

Ezra 7:21

Artahsasta : a man who usurped the Persian throne 552-551BC (ZD74),a Persian king who must have reigned before 516BC (ZD74),King of Persia about 460-440BC (ZD74)

Ezra : a man of Judah; probably the son of Hodiah