Core families include our siblings, their spouses, and their descendants; our parents, their siblings, and all of their spouses and descendants; our grandparents, their siblings, and all of their spouses and ancestors; our great-grandparents, their siblings and all of their spouses and ancestors; and our great-great grandparents, their spouses and all of their ancestors.
孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫 孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫 孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫 孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫 孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫 孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫 孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫 孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫孫 孫孫孫孫孫孫孫孫孫孫孫