TIGRIS AND EUPHRATES ~ THE SONS OF GREEK TITANS

 Tigris and Euphrates are not only two of the most important rivers in asia. In Hellenic Religion ,they are also River Gods and brothers. 

 Both of them are among the 3,000 offspring of the Greek Titans Okeanos ( Οceanus ) and Tithys.Tigris  was worshipped as a River-God of Assyria in west Asia (modern day Iraq), and Euphrates

 was a river-god of Assyria in west Asia (modern Turkey and Iraq).

Edited from ~ theoi.com