Judah prevailed. Compare Genesis 49:8, referring to intertribal precedence.
came. Supply Figure of speech Ellipsis with "is".
chief ruler. Referring to the regal line, and the coming of the Messiah.
Related Commentaries of 1 Chronicles 5:2
1 Chronicles 5:2
2 For Judah prevailed above his brethren, and of him came the chief ruler; but the birthright was Joseph's:)