Cross reference
Genesis 38:6
6 Judah took a wife for Er, his firstborn, and her name was Tamar.
Genesis 21:21
21 He lived in the wilderness of Paran. His mother took a wife for him out of the land of Egypt.
Genesis 24:3
3 I will make you swear by Yahweh, the God of heaven and the God of the earth, that you shall not take a wife for my son of the daughters of the Canaanites, among whom I live.
Matthew 1:3
3 Judah became the father of Perez and Zerah by Tamar. Perez became the father of Hezron. Hezron became the father of Ram.