2 For Sarah conceived and bore Abraham a son in his old age, at the set time of which God had spoken to him.
3 And Abraham called the name of his son who was born to him--whom Sarah bore to him--Isaac.
4 Then Abraham circumcised his son Isaac when he was eight days old, as God had commanded him.
5 Now Abraham was one hundred years old when his son Isaac was born to him.
6 And Sarah said, "God has made me laugh, and all who hear will laugh with me."
7 She also said, "Who would have said to Abraham that Sarah would nurse children? For I have borne him a son in his old age."
8 So the child grew and was weaned. And Abraham made a great feast on the same day that Isaac was weaned.
9 And Sarah saw the son of Hagar the Egyptian, whom she had borne to Abraham, scoffing.
10 Therefore she said to Abraham, "Cast out this bondwoman and her son; for the son of this bondwoman shall not be heir with my son, namely with Isaac."
11 And the matter was very displeasing in Abraham's sight because of his son.
12 But God said to Abraham, "Do not let it be displeasing in your sight because of the lad or because of your bondwoman. Whatever Sarah has said to you, listen to her voice; for in Isaac your seed shall be called.

Almeida Atualizada (Portuguese) AA

Gênesis 21:2 Sara concebeu, e deu a Abraão um filho na sua velhice, ao tempo determinado, de que Deus lhe falara;

English Standard Version ESV

Genesis 21:2 And Sarah conceived and bore Abraham a son in his old age at the time of which God had spoken to him.

King James Version KJV

Genesis 21:2 For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.

Nova Versão Internacional NVIP

Gênesis 21:2 Sara engravidou e deu um filho a Abraão em sua velhice, na época fixada por Deus em sua promessa.