Cross reference
Ruth 1:12
12 Turn again, my daughters, go your way; for I am too old to have an husband. If I should say, I have hope, if I should have an husband also to night, and should also bear sons;
Genesis 17:17
17 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?
1 Timothy 5:9
9 Let not a widow be taken into the number under threescore years old, having been the wife of one man.