TSK · Genesis 21:5

And Abram [was] fourscore and six years old, when Hagar bare Ishmael to Abram.

Then Abraham fell upon his face, and laughed, and said in his heart, Shall [a child] be born unto him that is an hundred years old? and shall Sarah, that is ninety years old, bear?

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.

And being not weak in faith, he considered not his own body now dead, when he was about an hundred years old, neither yet the deadness of Sara's womb: