Then Abraham fell upon his face, and laughed, and said in his heart, Shall a child be born unto him that is a hundred years old? and shall Sarah, that is ninety years old, bear?
And being not weak in faith, he considered not his own body as now dead, when he was about a hundred years old, neither yet the deadness of Sarah's womb:
And when Abram was ninety years old and nine, the LORD appeared to Abram, and said unto him, I am the Almighty God; walk before me, and be you perfect.
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 three score years old when she bore them.