A child's death is certainly one of the saddest events to occur or even to think about.
A child's death is like no other death. The natural ebb and flow and order of life and death we have come to expect in our lives is gone.
Grandparents are supposed to die before a grandchild. Parents are not supposed to outlive their children. Yet it happens. And trying to make any sense of it is, quite frankly, just not possible.