Cross References → Genesis 16:1

But Abram replied, “O Lord GOD, what can You give me, since I remain childless, and the heir of my house is Eliezer of Damascus?” Abram continued, “Behold, You have given me no offspring, so a servant in my household will be my heir.”

and she said to Abraham, “Expel the slave woman and her son, for the slave woman’s son will never share in the inheritance with my son Isaac!” ... But God said to Abraham, “Do not be distressed about the boy and your maidservant. Listen to everything that Sarah tells you, for through Isaac your offspring will be reckoned.

Later, Isaac prayed to the LORD on behalf of his wife, because she was barren. And the LORD heard his prayer, and his wife Rebekah conceived.

Now there was a man from Zorah named Manoah, from the clan of the Danites, whose wife was barren and had no children.

But they had no children, because Elizabeth was barren, and they were both well along in years. ... Look, even Elizabeth your relative has conceived a son in her old age, and she who was called barren is in her sixth month.

He treated Abram well on her account, and Abram acquired sheep and cattle, male and female donkeys, menservants and maidservants, and camels.

But Sarah saw that the son whom Hagar the Egyptian had borne to Abraham was mocking her son, ... And while he was dwelling in the Wilderness of Paran, his mother got a wife for him from the land of Egypt.

These things serve as illustrations, for the women represent two covenants. One covenant is from Mount Sinai and bears children into slavery: This is Hagar.