'First born' in the Bible

Canaan fathered Sidon his firstborn, as well as Heth,

These are their genealogies: the firstborn Ishmael fathered Nebaioth, and then Kedar, Adbeel, Mibsam,

Judah's three sons Er, Onan, and Shelah were born to him through Bath-shua, a Canaanite. Er, Judah's firstborn, became wicked in the LORD's sight, so he put him to death.

Jesse fathered Eliab his firstborn, Abinadab his second born, Shimea his third born,

The descendants of Jerahmeel, the firstborn of Hezron, were Ram his firstborn, Bunah, Oren, Ozem, and Ahijah.

The descendants of Ram, firstborn of Jerahmeel were Maaz, Jamin, and Eker.

Jerahmeel's brother Caleb's descendants were his firstborn Mesha, who fathered Ziph. The descendants of Mareshah, who fathered Hebron, were as follows:

The son of Hur, the firstborn of Ephrathah, was Shobal, who fathered Kiriath-jearim, Salma, who fathered Bethlehem, and Hareph, who fathered Beth-gader.

These are David's descendants who were born to him in Hebron: Amnon his firstborn by Ahinoam the Jezreelite, Daniel his second born by Abigail the Carmelite,

Josiah's descendants included Johanan his firstborn, his second born Jehoiakim, his third born Zedekiah, and his fourth born Shallum.

These were the descendants of Hur, Ephrathah's firstborn, who fathered Bethlehem: Tekoa's father Ashhur had two wives, Helah and Naarah.

Here is a record of the descendants of Reuben, Israel's firstborn. (He was the firstborn, but because he defiled his father's marriage bed, his birthright was transferred to the descendants of Israel's son Joseph. As a result, Reuben is not enrolled in the genealogy according to the birthright.

Even though Judah became prominent among his relatives that is, the Commander-in-chief will be his descendant nevertheless the right of the firstborn went to Joseph.)

The descendants of Reuben, Israel's firstborn, included Hanoch, Pallu, Hezron, and Carmi.

Samuel's descendants included Joel his firstborn and his second son Abijah.

Benjamin fathered Bela his firstborn, Ashbel his second born, Aharah his third born,

His firstborn son was Abdon, then Zur, Kish, Baal, Nadab,

The sons of his brother Eshek included Ulam his firstborn, Jeush his second, and Eliphelet his third.

From the descendants of Shilon there was Asaiah the firstborn, along with his descendants.

Mattithiah, a descendant of Levi and firstborn of Shallum the Korahite, was in charge of making the offering cakes.

His firstborn son was Abdon, followed by Zur, Kish, Baal, Ner, Nadab,

Meshelemiah's sons Zechariah, his firstborn, Jediael his second, Zebadiah his third, Jathniel his fourth,

Obed-edom's sons Shemaiah, his firstborn, Jehozabad his second, Joah his third, Sachar his fourth, Nethanel his fifth,

Hosah, one of Merari's sons, had these sons: Shimri their chief (though not the firstborn, his father had appointed him chief),