Our oldest grandchild and her husband just had their first baby, a little girl. By arriving, the baby made her mother and father parents, their parents grandparents, and my wife and me great-grandparents. A cascade of kinship. Good work,…

Our oldest grandchild and her husband just had their first baby, a little girl. By arriving, the baby made her mother and father parents, their parents grandparents, and my wife and me great-grandparents. A cascade of kinship. Good work,…