Numbers 2:3
"And on the east side toward the rising of the sun shall they of the standard of the camp of Judah pitch throughout their armies: and Nahshon the son of Amminadab shall be captain of the children of Judah."
Cross References (ranked by relevance)
And Amminadab begat Nahshon, and Nahshon begat Salmon,
And Ram begat Amminadab; and Amminadab begat Nahshon, prince of the children of Judah;
Of Judah; Nahshon the son of Amminadab.
For Judah prevailed above his brethren, and of him came the chief ruler; but the birthright was Joseph’s:)
And Aram begat Aminadab; and Aminadab begat Naasson; and Naasson begat Salmon;
And for a sacrifice of peace offerings, two oxen, five rams, five he goats, five lambs of the first year: this was the offering of Nahshon the son of Amminadab.
And he that offered his offering the first day was Nahshon the son of Amminadab, of the tribe of Judah: