Genesis 21:3

The Birth Of Isaac

² And she conceived, and Sarah bore to Abraham a son in his old age at the appointed time that God had told him. ³ And Abraham called the name of his son who was born to him, whom Sarah bore to him, Isaac. ⁴ And Abraham circumcised Isaac his son [when he was] eight days old, as God had commanded him.

Abraham

Isaac

Sarah

Genesis 17:19

And God said, "No, but Sarah your wife shall bear a son for you, and you shall call his name Isaac. And I will establish my covenant with him as an everlasting covenant to his offspring after him.

Genesis 21:6

And Sarah said, "God has made laughter for me; all who hear will laugh for me."

Genesis 21:12

Then God said to Abraham, "{Do not be displeased} on account of the boy and on account of the slave woman. {Listen to everything that Sarah said to you}, for through Isaac [your] offspring will be named.

Genesis 22:2

And he said, "Take your son, your only child, Isaac, whom you love, and go to the land of Moriah, and offer him there as a burnt offering on one of the mountains where I will tell you."

Joshua 24:3

I took your ancestor Abraham from beyond the river and led him through all the land of Canaan, and I increased his offspring; I gave him Isaac,

Matthew 1:2

Abraham became the father of Isaac, and Isaac became the father of Jacob, and Jacob became the father of Judah and his brothers,

Acts 7:8

And he gave him the covenant of circumcision, and so he became the father of Isaac and circumcised him on the eighth day, and Isaac [did so with] Jacob, and Jacob [did so with] the twelve patriarchs.

Romans 9:7

nor [are they] all children because they are descendants of Abraham, but "In Isaac will your descendants be named."

Hebrews 11:18

with reference to whom it was said, "In Isaac your descendants will be named,"