The adult height of a great great grandchild cannot be estimated without knowing the ethnic background of the child's ancestry and the nutritional history of the child.
Irene Houston Williams and Patricia Houston Williams were great grandchildren of Sam Houston
Your great aunt's grandchildren are your second cousins because you share a great grandparent. Your great aunt's great grandchildren are your second cousins, once removed, because you share the same common ancestor but are one generation differently removed from that ancestor. You are the third generation from that common ancestor, while they are the fourth generation.
Hitler never had any children, so therefore no grandchildren or great great great great great great grandchildren either. And even if he did, Hitler did not live that many generations ago.
John Wilkes Booth had no children, therefore no grandchildren, great grandchildren or other direct descendants.
Your ancestors are the people whose children lead eventually to you. They are your mother and father, grandmothers and grandfathers, great grandparents, great great grandparents, etc. Your cousins are the children, grandchildren, great grandchildren, etc, of the brothers and sisters of your ancestors.
Great-grandchildren
Yes, Jimmy Swaggart does have grandchildren and great grandchildren. As of May 2014, he has 3 grandchildren and 6 great grandchildren.
Queen Elizabeth has 8 grandchildren and 5 great-grandchildren.
The common ancestor is your parents. Your children and your sister's children are first cousins. Your grandchildren and your sister's grandchildren are second cousins. Your great-grandchildren and your sister's great-grandchildren are third cousins.
Your great aunt is not your great grandparent but she could be a great grandparent if she has children , grandchildren and great grandchildren.
He has 14 grandchildren, 4 great grandchildren and 1 great great grandchild. I know because I'm one of them!
You are a great-aunt.
their mother and father
He has 14 grandchildren, 4 great grandchildren and 1 great great grandchild. I know because I'm one of them!
Irene Houston Williams and Patricia Houston Williams were great grandchildren of Sam Houston
The relationship term is usually hyphenated "great-grandchildren" (grandchildren's kids).
Your borther-in-law is your grandchildren's great uncle. They are his great nieces and great nephews.