Per the facial, hair, eyes - this is what iw as refering to.
612 BC: After the Babylonians destroyed the Assyrian capitals of Ashur and Nineveh, the Assyrian empire city of Arbela, today’s Erbil, becomes part of the Babylonian empire. [5]
539 BC: After Persian leader Cyrus the Great takes over Babylon, Arbela, today’s Erbil, joins the vast Achaemenid or ancient Persian empire. [6]
331 BC: Alexander the Great and Darius III of Persia fight the Battle of Gaugamela, also known as the Battle of Arbela, about 75 kilometres north-west of Erbil. In the aftermath, Darius is murdered by his kinsmen and Alexander goes on to conquer the Persian Empire including Babylon, and extends his empire to the Punjab. [7]
Alexander and his core group regularly ACQUIRED soldiers from all sorts of ethnic groups and nations on their way East. When they finally were stopped along the Indus, and allowed to escape back to the West, the army just wasn’t what it had been back in Greece.