Cross References → Genesis 16:3

So Abram departed, as the LORD had directed him, and Lot went with him. Abram was seventy-five years old when he left Haran. And Abram took his wife Sarai, his nephew Lot, and all the possessions and people they had acquired in Haran, and set out for the land of Canaan. When they came to the land of Canaan,

Then Sarai said to Abram, “May the wrong done to me be upon you! I delivered my servant into your arms, and ever since she saw that she was pregnant, she has treated me with contempt. May the LORD judge between you and me.”

So Rachel gave Jacob her servant Bilhah as a wife, and he slept with her, ... When Leah saw that she had stopped having children, she gave her servant Zilpah to Jacob as a wife.

But while he was still alive, Abraham gave gifts to the sons of his concubines and sent them away from his son Isaac to the land of the east.

Esau went to Ishmael and married Mahalath, the sister of Nebaioth and daughter of Abraham’s son Ishmael, in addition to the wives he already had.

During the night Jacob got up and took his two wives, his two maidservants, and his eleven sons, and crossed the ford of the Jabbok.

While Israel was living in that region, Reuben went in and slept with his father’s concubine Bilhah, and Israel heard about it. Jacob had twelve sons:

Now in those days, when there was no king in Israel, a Levite who lived in the remote hill country of Ephraim took for himself a concubine from Bethlehem in Judah. But she was unfaithful to him and left him to return to her father’s house in Bethlehem in Judah. After she had been there four months, her husband got up and went after her to speak kindly to her and bring her back, taking his servant and a pair of donkeys. So the girl brought him into her father’s house, and when her father saw him, he gladly welcomed him. His father-in-law, the girl’s father, persuaded him to stay, so he remained with him three days, eating, drinking, and lodging there.

After he had arrived from Hebron, David took more concubines and wives from Jerusalem, and more sons and daughters were born to him.

He had seven hundred wives of royal birth and three hundred concubines—and his wives turned his heart away.

Now Hagar stands for Mount Sinai in Arabia and corresponds to the present-day Jerusalem, because she is in slavery with her children.