Genesis 38:3 in the King James Version
And she conceived, and bare a son; and he called his name Er.
Context
2 There, Judah saw the daughter of a certain Canaanite man named Shua. He took her, and went in to her.
3 She conceived, and bore a son; and he named him Er.
4 She conceived again, and bore a son; and she named him Onan.