Acts 7:8

And he gave him the covenant of circumcision: and so {Abraham} begat Isaac, and circumcised him the eighth day; and Isaac {begat} Jacob; and Jacob {begat} the twelve patriarchs.

Hebrews 11:17-18

By faith Abraham, when he was tried, offered up Isaac: and he that had received the promises offered up his only begotten {son},

Genesis 21:2-5

For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.

Genesis 25:26

And after that came his brother out, and his hand took hold on Esau's heel; and his name was called Jacob: and Isaac {was} threescore years old when she bare them.

Genesis 46:8-27

And these {are} the names of the children of Israel, which came into Egypt, Jacob and his sons: Reuben, Jacob's firstborn.

Isaiah 41:8

But thou, Israel, {art} my servant, Jacob whom I have chosen, the seed of Abraham my friend.

Genesis 29:32-35

And Leah conceived, and bare a son, and she called his name Reuben: for she said, Surely the LORD hath looked upon my affliction; now therefore my husband will love me. {Reuben: that is, See a son}

Isaiah 51:2

Look unto Abraham your father, and unto Sarah {that} bare you: for I called him alone, and blessed him, and increased him.