Genesis 16:15
And Hagar bore Abram a son, and Abram gave the name Ishmael to the son she had borne.

Genesis 21:2-3
So Sarah conceived and bore a son to Abraham in his old age, at the very time God had promised. / And Abraham gave the name Isaac to the son Sarah bore to him.

Genesis 25:12
This is the account of Abraham’s son Ishmael, whom Hagar the Egyptian, Sarah’s maidservant, bore to Abraham.

Genesis 25:19
This is the account of Abraham’s son Isaac. Abraham became the father of Isaac,

Genesis 16:11
The angel of the LORD proceeded: “Behold, you have conceived and will bear a son. And you shall name him Ishmael, for the LORD has heard your cry of affliction.

Genesis 17:19
But God replied, “Your wife Sarah will indeed bear you a son, and you are to name him Isaac. I will establish My covenant with him as an everlasting covenant for his descendants after him.

Genesis 21:9-10
But Sarah saw that the son whom Hagar the Egyptian had borne to Abraham was mocking her son, / 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!”

Genesis 25:9
His sons Isaac and Ishmael buried him in the cave of Machpelah near Mamre, in the field of Ephron son of Zohar the Hittite.

Genesis 28:4
And may He give the blessing of Abraham to you and your descendants, so that you may possess the land where you dwell as a foreigner, the land God gave to Abraham.”

Genesis 35:12
The land that I gave to Abraham and Isaac I will give to you, and I will give this land to your descendants after you.”

Romans 9:7-9
Nor because they are Abraham’s descendants are they all his children. On the contrary, “Through Isaac your offspring will be reckoned.” / So it is not the children of the flesh who are God’s children, but it is the children of the promise who are regarded as offspring. / For this is what the promise stated: “At the appointed time I will return, and Sarah will have a son.”

Galatians 4:22-23
For it is written that Abraham had two sons, one by the slave woman and the other by the free woman. / His son by the slave woman was born according to the flesh, but his son by the free woman was born through the promise.

Hebrews 11:18
even though God had said to him, “Through Isaac your offspring will be reckoned.”

Matthew 1:2
Abraham was the father of Isaac, Isaac the father of Jacob, and Jacob the father of Judah and his brothers.

Luke 3:34
the son of Jacob, the son of Isaac, the son of Abraham, the son of Terah, the son of Nahor,