Genesis 38:3
She conceived, and bore a son; and he named him Er.
Genesis 46:12
The sons of Judah: Er, Onan, Shelah, Perez, and Zerah; but Er and Onan died in the land of Canaan. The sons of Perez were Hezron and Hamul.
Numbers 26:19
The sons of Judah: Er and Onan; and Er and Onan died in the land of Canaan.
Treasury of Scripture Knowledge
Summary
And she conceived, and bare a son; and he called his name Er.
Bible References
Er
Genesis 46:12
The sons of Judah: Er, Onan, Shelah, Perez, and Zerah; but Er and Onan died in the land of Canaan. The sons of Perez were Hezron and Hamul.
Numbers 26:19
The sons of Judah: Er and Onan; and Er and Onan died in the land of Canaan.