Judah was, according to the Book of Genesis, the fourth of the six sons of Jacob and Leah and the founder of the Tribe of Judah of the Israelites. By extension, he is indirectly the eponym of the Kingdom of Judah, the land of Judea, and the word Jew.
Portrait of Judah (1840) by Horace Vernet
Judah (left) talking to Tamar (right) (1606–1669), by Rembrandt
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The children of Jacob sell their brother Joseph by Konstantin Flavitsky, 1855. Judah was the one who suggested that Joseph be sold, rather than killed.
Jacob, later given the name Israel, is regarded as a patriarch of the Israelites and is an important figure in Abrahamic religions, such as Judaism, Samaritanism, Christianity, and Islam. Jacob first appears in the Book of Genesis, originating from the Hebrew tradition in the Torah. Described as the son of Isaac and Rebecca, and the grandson of Abraham, Sarah, and Bethuel, Jacob is presented as the second-born among Isaac's children. His fraternal twin brother is the elder, named Esau, according to the biblical account. Jacob is said to have bought Esau's birthright and, with his mother's help, deceived his aging father to bless him instead of Esau. Later in the narrative, following a severe drought in his homeland of Canaan, Jacob and his descendants, with the help of his son Joseph, moved to Egypt where Jacob died at the age of 147. He is supposed to have been buried in the Cave of Machpelah.
Jacob Wrestling with the Angel, by Rembrandt
Russian Orthodox Icon of St. Jacob, 18th century (Iconostasis) of Kizhi monastery, Russia
Jacob's Dream statue and display on the campus of Abilene Christian University
Abraham, Isaac, Jacob and Judah by Michelangelo Buonarroti, Sistine Chapel, Vatican City