Genesis 21:2-3

2And Sarah aconceived and bore Abraham a son in his old age bat the time of which God had spoken to him. 3Abraham called the name of his son who was born to him, whom Sarah bore him, cIsaac.
 Isaac means he laughs

Matthew 1:2

2 eAbraham was the father of Isaac, and fIsaac the father of Jacob, and gJacob the father of Judah and his brothers,

Luke 3:34

34 hthe son of Jacob, ithe son of Isaac, jthe son of Abraham, kthe son of Terah, the son of Nahor,

Acts 7:8

8And lhe gave him the covenant of circumcision. And mso Abraham became the father of Isaac, and ncircumcised him on the eighth day, and oIsaac became the father of Jacob, and pJacob of the twelve patriarchs.

Copyright information for ESV