All Europeans came from the Orient. This truth, which is confirmed by the evidence of physiology and of linguistics, no longer needs special proof.

Eichhoff, E. W. 1845. Vergleichung der Sprachen von Europa und Indien. Leipzig: Schrey. quoted from Bryant, E. F. (2001). The Quest for the Origins of Vedic Culture : the Indo-Aryan migration debate. Oxford University Press. chapter 1.