Their own grand grand children...
The Esperanto words for grandparents and grandchildren are geavoj and genepoj.
Love your grandchildren.
Because the child's parents parents are called grandparents.
No, they cannot.
Benign means not harmful. So for example, grandparents see their grandchildren as benign lovable children.
No. they do not.
buy them expensive gifts
Grandchildren is already the plural form of grandchild.
Your ancestry. Those you have descended from are your ancestors. My lineage includes my parents, grandparents, great-grandparents, etc., in my past, and my children, grandchildren, great-grandchildren, etc. in my future.
Your ancestry. Those you have descended from are your ancestors. My lineage includes my parents, grandparents, great-grandparents, etc., in my past, and my children, grandchildren, great-grandchildren, etc. in my future.
No, the only way grandchildren can get benefits is if the grandparents have legal guardianship of them, as if they were their own children.
There is no age limit. Some grandchildren are born and raised in their grandparents's homes.