Information: - Laban ( Hebrew : , Modern Lavan , Tiberian Ln ; '' White '' ) is the son of Bethuel , brother of Rebekah as described in the Book of Genesis . As such he is brother - in - law to Isaac and both father - in - law and uncle to Jacob . Laban and his family were described as dwelling in Paddan Aram , in Mesopotamia . Though the biblical text itself does not attest to this , Rabbinic sources also identify him as the father of Bilhah and Zilpah , the two concubines with whom Jacob also has children ( Midrash Raba , Gen 24 ) - In the Book of Genesis, Zilpah ( "meaning uncertain," Standard Hebrew "Zilpa", Tiberian Hebrew "Zilpa") was Leah's handmaid, whom Leah gave to Jacob "to wife" to bear him children. Zilpah gave birth to two sons, whom Leah claimed as her own and named Gad and Asher. - Rachel was the favorite of Biblical patriarch Jacob's two wives as well as the mother of Joseph and Benjamin, two of the twelve progenitors of the tribes of Israel. The name "Rachel" means ewe. Rachel was the daughter of Laban and the younger sister of Leah, Jacob's first wife. Rachel was a niece of Rebekah (Jacob's mother), Laban being Rebekah's brother, making Jacob her first cousin. - Bethuel ("Bel", house of God), in the Hebrew Bible, was an Aramean man, the youngest son of Nahor and Milcah, the nephew of Abraham, and the father of Laban and Rebecca. - Leah ("Lea"; "La'ya;" from ), as described in the Hebrew Bible, is the first of the two concurrent wives of the Hebrew patriarch Jacob and mother of six sons whose descendants became some of the Twelve Tribes of Israel, along with one daughter, Dinah. Leah was the daughter of Laban and the older sister of Rachel, whom Jacob also married. - Bilhah ( "unworried", Standard Hebrew "Bilha", Tiberian Hebrew "Bilha") is a person mentioned in the Book of Genesis. describes her as Laban's handmaid, who was given to Rachel to be her handmaid on Rachel's marriage to Jacob. When Rachel failed to have children, Rachel gave Bilhah to Jacob "to wife" to bear him children. Bilhah gave birth to two sons, who Rachel claimed as her own and named Dan and Naphtali. expressly calls Bilhah Jacob's concubine, a "pilegesh". - Jacob, later given the name Israel, is regarded as a Patriarch of the Israelites. According to the Book of Genesis, Jacob (') was the third Hebrew progenitor with whom God made a covenant. He is the son of Isaac and Rebecca, the grandson of Abraham, Sarah and of Bethuel, the nephew of Ishmael, and the younger twin brother of Esau. Jacob had twelve sons and at least one daughter, by his two wives, Leah and Rachel, and by their handmaidens Bilhah and Zilpah. - Milcah ("Milkh", related to the Hebrew word for "queen") was the daughter of Haran and the wife of Nahor in Genesis. What is the relationship between 'laban ' and 'rebecca'?
A:
sister