Genesis 38:2-4

New American Standard Bible

² Judah saw there a daughter of a certain Canaanite whose name was ^(A)Shua; and he took her as a wife and had relations with her. ³ And she conceived and gave birth to a son, and he named him ^(B)Er. ⁴ Then she conceived again and gave birth to a son, and she named him ^(C)Onan.