MAHARAJA YADU
MAHARAJ YADU WAS THE ELDEST SON OF MAHARAJ YAYATI.
YADU'S DESCENDENTS ARE CALLED YADUVANSHI/YADAV ALSO KNOWN AS AHEER or GOP
EVEN MAHARAJ YADU WAS CALLED GOP IN RIGVEDA GOP(means one pet cow) BECAUSE IN HINDUISM IT IS BELIEVED THAT A KSHATRIYA HAS GIVEN RIGHT TO PROTECT COWS