300
Name 6 of the 12 tribes of Israel
(In order of birth), Reuben, Simeon, Levi, Judah, Dan, Naphtali, Gad, Asher, Issachar, Zebulun, Joseph and Benjamin, become the ancestors of twelve tribes, with the exception of Joseph, whose two sons Mannasseh and Ephraim, who were adopted by Jacob, become tribal eponyms (Genesis 48).