Judah was reluctant to let his remaining son Shelah marry Tamar, so she disguised herself as a prostitute and slept with Judah, becoming pregnant with his child.
When Judah discovered that Tamar was pregnant, he ordered her to be burned alive for prostitution, but she revealed that he was the father of her child.
Tamar gave birth to twins, Perez and Zerah, who would become ancestors of King David and ultimately Jesus Christ.
During the famine, Judah and his brothers went down to Egypt to buy grain and were reunited with their brother Joseph.
Judah offered to take Benjamin's place as a slave when Joseph accused him of stealing a valuable cup.
Judah pleaded with Joseph to spare Benjamin and offered himself as a substitute, demonstrating his willingness to sacrifice himself for his family.
When Jacob was on his deathbed, he blessed his sons and prophesied that the scepter would not depart from Judah's hand until the coming of Shiloh, a reference to the Messiah.
Judah's tribe became one of the largest and most powerful in Israel, and was known for their military prowess.
David, the greatest king of Israel, was a descendant of Judah.
The tribe of Judah played a key role in the rebuilding of Jerusalem and the restoration of the Temple after the Babylonian exile.