Genesis 29:20, 23, 35 [29:20] And Jacob served seven years for Rachel; and they seemed unto him but a few days, for the love he had to her. [29:23] And it came to pass in the evening, that he took Leah his daughter, and brought her to him; and he went in unto her. [29:35] And she conceived again, and bare a son: and she said, Now will I praise the LORD: therefore she called his name Judah; and left bearing. (Judah's father & mother)
Genesis 38:2 And Judah saw there a daughter of a certain Canaanite, whose name was Shuah; and he took her, and went in unto her. (Judah's unnamed wife was the daughter of Shuah)
Genesis 38:3 And she conceived, and bare a son; and he called his name Er. (Judah's firstborn son by the daughter of Shuah was Er)
Genesis 38:4 And she conceived again, and bare a son; and she called his name Onan. (Judah's second son by the daughter of Shuah was Onan)
Genesis 38:5 And she yet again conceived, and bare a son; and called his name Shelah: and he was at Chezib, when she bare him. (Judah's third son by the daughter of Shuah was Shelah)
Genesis 38:6 And Judah took a wife for Er his firstborn, whose name was Tamar. (Judah's daughter-in-law was Tamar, wife of Er)
Genesis 38:29-30 [38:29] And it came to pass, as he drew back his hand, that, behold, his brother came out: and she said, How hast thou broken forth? this breach be upon thee: therefore his name was called Pharez. [38:30] And afterward came out his brother, that had the scarlet thread upon his hand: and his name was called Zarah. (Judah's two sons by Tamar were Pharez & Zarah)
Genesis 46:12 And the sons of Judah; Er, and Onan, and Shelah, and Pharez, and Zarah: but Er and Onan died in the land of Canaan. And the sons of Pharez were Hezron and Hamul . (Hezron & Hamul were the grandsons of Judah through Tamar and Pharez)
I Chronicles 2:6 And the sons of Zerah; Zimri, and Ethan, and Heman, and Calcol, and Dara: five of them in all. (Judah's grandsons through Tamar and Zerah)
I Chronicles 2:18-20 [2:18] And Caleb the son of Hezron begat children of Azubah his wife, and of Jerioth: her sons are these; Jesher, and Shobab, and Ardon. [2:19] And when Azubah was dead, Caleb took unto him Ephrath, which bare him Hur. [2:20] And Hur begat Uri, and Uri begat Bezaleel. (Hezron was Judah's grandson by Tamar, Caleb was Judah's great grandson , Hur was Judah's great great grandson , Uri was Judah's' great great great grandson , & Bezaleel was Judah's great great great great grandson )
I Chronicles 4:21 The sons of Shelah the son of Judah were, Er the father of Lecah, and Laadah the father of Mareshah, and the families of the house of them that wrought fine linen, of the house of Ashbea, (Er & Laadah were the grandsons of Judah by Judah's son Shelah. Lecah & Mareshah were Judah's great grandsons )