* The name "Isaac" means "he laughs." When God told Abraham that Sarah would give birth to a son, Abraham laughed because they were both very old. Some time later, Sarah also laughed when she heard this news.
* But God fulfilled his promise and Isaac was born to Abraham and Sarah in their old age.
* God told Abraham that the covenant he had made with Abraham would also be for Isaac and his descendants forever.
* When Isaac was a youth, God tested Abraham's faith by commanding him to sacrifice Isaac.
* Isaac's son Jacob had twelve sons whose descendants later became the twelve tribes of the nation of Israel.
* __[05:04](rc://en/tn/help/obs/05/04)__ "Your wife, Sarai, will have a son—he will be the son of promise. Name him __Isaac__."
* __[05:06](rc://en/tn/help/obs/05/06)__ When __Isaac__ was a young man, God tested Abraham's faith by saying, "Take __Isaac__, your only son, and kill him as a sacrifice to me."
* __[05:09](rc://en/tn/help/obs/05/09)__ God had provided the ram to be the sacrifice instead of __Isaac__.
* __[06:01](rc://en/tn/help/obs/06/01)__ When Abraham was very old and his son, __Isaac__, had grown to be a man, Abraham sent one of his servants back to the land where his relatives lived to find a wife for his son, __Isaac.__
* __[06:05](rc://en/tn/help/obs/06/05)__ __Isaac__ prayed for Rebekah, and God allowed her to get pregnant with twins.
* __[07:10](rc://en/tn/help/obs/07/10)__ Then __Isaac__ died, and Jacob and Esau buried him. The covenant promises God had promised to Abraham and then to __Isaac__ now passed on to Jacob.