'First born' in the Bible

And Canaan fathered Sidon, his first-born, and Heth,

And the first-born said to the younger, Our father is old, and there is no man in the earth to come in to us in the way of all the earth.

And they made their father drink wine that night. And the first-born went in, and lay with her father. And he did not notice when she lay down nor when she arose.

And it happened on the next day, the first-born said to the younger, Behold, I lay last night with my father. Let us make him drink wine this night also, and you go in and lie down with him so that we may preserve seed of our father.

And the first-born bore a son, and called his name Moab. He is the father of the Moabites to this day.

Huz his first-born, and Buz his brother, and Kemuel the father of Aram,

And these are the names of the sons of Ishmael, by their names, according to their generations. The first-born of Ishmael was Nebajoth; and Kedar, and Adbeel, and Mibsam,

And Jacob said to his father, I am Esau your first-born. I have done as you asked me. Arise, I pray you, sit and eat of my game, that your soul may bless me.

And his father Isaac said to him, Who are you? And he said, I am your son, your first-born, Esau.

And Laban said, It must not be done so in our country, to give the younger before the first-born.

The sons of Leah: Reuben, Jacob's first-born, and Simeon, and Levi, and Judah, and Issachar, and Zebulun.

These were the chiefs of the sons of Esau: the sons of Eliphaz the first-born of Esau: Chief Teman, Chief Omar, Chief Zepho, Chief Kenaz,

And Judah took a wife for Er his first-born, whose name was Tamar.

And Er, Judah's first-born, was wicked in the sight of Jehovah. And Jehovah killed him.

And Joseph called the name of the first-born Manasseh, saying, For God has made me forget all my toil and all my father's house.

And they sat before him, the first-born according to his birthright, and the youngest according to his youth. And the men marveled at one another.

And these were the names of the sons of Israel who came into Egypt, Jacob and his sons: Reuben, Jacob's first-born.

And Israel stretched out his right hand, and laid it on Ephraim's head, who was the younger, and his left on Manasseh's head, crossing his hands. For Manasseh was the first-born.

And Joseph said to his father, Not so, my father. For this is the first-born. Put your right hand on his head.

Reuben, you are my first-born, my might, and the beginning of my strength, the excellency of dignity and the excellency of power.