Usar "forfend" en una oración

1. And by the way, he has said that, Heaven forfend, he want not to see either of his daughters pregnant, for that would mean unwanted babies

2. " Well of course, in our politically correct universe nowadays, we, Heaven forfend, should not elevate any individual above the heard

3. Heaven forfend (anyone know what that really means?) should I dare presume what I cannot prove beyond the shadow of a doubt

4. And he thought: "God forfend that a Tartar rider should see me in the open! Though it is not far off, I should not get away