Cross reference
Ruth 1:12
12 Go back, my daughters, and go on your way; I am so old now that I may not have another husband. If I said, I have hopes, if I had a husband tonight, and might have sons,
Genesis 17:17
17 Then Abraham went down on his face, and laughing, said in his heart, May a man a hundred years old have a child? will Sarah, at ninety years old, give birth?
1 Timothy 5:9
9 Let no woman be numbered among the widows who is under sixty years old, and only if she has been the wife of one man,