He died at an old age in a year no one is sure of.

Most of those men you knew are dead, and not from old age either.

I don't want you to be poor in your old age.

But men can and do father children into old age.

All I have to live upon, in my old age.

Also no one knows the cause of the death which was most likely old age.

What was I going to do with myself from now until old age?

A man has died of old age in his 30s.

So difficult has old age been made for us all by God!

And in his old age he would return to the world of science.