'First born' in the Bible

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

And the first-born said unto the younger, Our father is old, and there is not a man in the earth to come in unto us after the manner 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 knew not when she lay down, nor when she arose.

And it came to pass on the morrow, that the first-born said unto the younger, Behold, I lay yesternight with my father: let us make him drink wine this night also; and go thou in, and lie with him, that we may preserve seed of our father.

And the first-born bare a son, and called his name Moab: the same is the father of the Moabites unto this day.

Uz 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, Nebaioth, and Kedar, and Adbeel, and Mibsam,

And Jacob said unto his father, I am Esau thy first-born; I have done according as thou badest me: arise, I pray thee, sit and eat of my venison, that thy soul may bless me.

And Isaac his father said unto him, Who art thou? And he said, I am thy son, thy first-born, Esau.

And Laban said, It is not so done in our place, 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 are 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, and her name was Tamar.

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

And Joseph called the name of the first-born Manasseh: For,'said he , God hath 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 marvelled one with another.

And these are the names of the children 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 upon Ephraim's head, who was the younger, and his left hand upon Manasseh's head, guiding his hands wittingly; for Manasseh was the first-born.

And Joseph said unto his father, Not so, my father; for this is the first-born; put thy right hand upon his head.

Reuben, thou art my first-born, my might, and the beginning of my strength; The pre-eminence of dignity, and the pre-eminence of power.