Lo, days are coming -- an affirmation of Jehovah, And I have raised to David a righteous shoot, And a king hath reigned and acted wisely, And done judgment and righteousness in the earth.

And thou, Beth-Lehem Ephratah, Little to be among the chiefs of Judah! From thee to Me he cometh forth -- to be ruler in Israel, And his comings forth are of old, From the days of antiquity.

And thou, Beth-Lehem, the land of Judah, thou art by no means the least among the leaders of Judah, for out of thee shall come one leading, who shall feed My people Israel.'

for it is evident that out of Judah hath arisen our Lord, in regard to which tribe Moses spake nothing concerning priesthood.

Birthright was

Thy father's blessings have been mighty Above the blessings of my progenitors, Unto the limit of the heights age-during They are for the head of Joseph, And for the crown of the one Separate from his brethren.

because whom He did foreknow, He also did fore-appoint, conformed to the image of His Son, that he might be first-born among many brethren;

General references

Of the sons of Judah -- their births, by their families, by the house of their fathers, in the number of names, from a son of twenty years and upward, every one going out to the host --

These are families of Judah, by their numbered ones, six and seventy thousand and five hundred.

then it hath been, in the day of his causing his sons to inherit that which he hath, he is not able to declare first-born the son of the loved one, in the face of the son of the hated one -- the first-born.