>>622374
At least until they're emotionally mature enough to grasp death, I think it's okay to at least imply people go to Heaven when they die. Once they're a little older and can handle the idea of hell, you can clarify that by saying that God judges whether people go to Heaven or not.
I think being told for much of your childhood that a close family member is burning in hell would be traumatizing and effect the way a child perceives the legacy of that person in their lives, even when they're mature enough to take a step back. I'll say 7.