Genesis 35:23

Now Jacob had twelve sons: the sons of Leah: Reuben, Jacob's first son, and Simeon and Levi and Judah and Issachar and Zebulun;

Genesis 29:32-35

And Leah was with child, and gave birth to a son to whom she gave the name Reuben: for she said, The Lord has seen my sorrow; now my husband will have love for me.

Genesis 30:18-20

Then Leah said, God has made payment to me for giving my servant-girl to my husband: so she gave her son the name Issachar.

Genesis 46:8-15

And these are the names of the children of Israel who came into Egypt, even Jacob and all his sons: Reuben, Jacob's oldest son;

Genesis 33:2

He put the servants and their children in front, Leah and her children after them, and Rachel and Joseph at the back.

Exodus 1:2-4

Reuben, Simeon, Levi, and Judah;

Treasury of Scripture Knowledge did not add

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain