Questions about Jacob (later known also as Israel), son of Isaac & grandson of Abraham. Jacob was the brother of Esau and father of the 12 tribes.
Jacob is considered one of the Patriarchs; the details of his life and the actions of his family members are discussed at length in Genesis chapters 25-49. Jacob was given the name Israel (see Genesis 32), the name by which his descendants were known for many years.
Jacob, though younger than his brother Esau, obtained the birthright from his father Isaac. Jacob married Leah, Rachel, Bilhah, and Zilpah, and the text records that he was father to 13 children: Reuben, Simeon, Levi, Judah, Dan, Naphtali, Gad, Asher, Isaachar, Zebulun, Dinah, Joseph, and Benjamin.