The Birth and Naming of Isaac

Genesis 21:1-8

Now the LORD attended to Sarah as He had said, and the LORD did for Sarah what He had promised.

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.

When his son Isaac was eight days old, Abraham circumcised him, as God had commanded him.

Abraham was a hundred years old when his son Isaac was born to him.

Then Sarah said, “God has made me laugh, and everyone who hears of this will laugh with me.”

She added, “Who would have told Abraham that Sarah would nurse children? Yet I have borne him a son in his old age.”

So the child grew and was weaned, and Abraham held a great feast on the day Isaac was weaned.