Genesis 38:3 Cross References - ECB

³ and she conceives and births a son; and he calls his name Er.

¹² And the sons of Yah Hudah: Er and Onan and Shelah and Peres and Zerach and Er and Onan die in the land of Kenaan. And the sons of Peres: Hesron and Hamul.

¹⁹
MUSTER OF THE SONS OF YAH HUDAH
The sons of Yah Hudah are Er and Onan: and Er and Onan died in the land of Kenaan.