Genesis 38:2–5
2 There Judah saw the daughter of a certain Canaanite whose name was qShua. He took her and went in to her, 3 and she conceived and bore a son, and he called his name rEr. 4 She conceived again and bore a son, and she called his name rOnan. 5 Yet again she bore a son, and she called his name rShelah. Judah1 was in Chezib when she bore him.
Genesis 46:12
12 The sons of tJudah: Er, Onan, Shelah, Perez, and Zerah (but uEr and Onan died in the land of Canaan); and the sons of vPerez were Hezron and Hamul.