Grandchild, descendants, heir, offspring.
Kublai Khan is Temujin's grandchild. Temujin is also known as Genghis Khan.
If you have a niece or nephew, it is their daughter.
Well that would depend on if you were the biological grandfather. If so then the grandchild is also your grandchild. If the child was born to a child of your ex-wife and not fathered by you then they are no relation to you and you would call them by their name.
Biologically, the grandchild is a step-grandchild to the grandparent that had no children. In matters of the heart, however, the grandchild is whatever the grandparent feels it is.
Similar: Descendant - a person's child, grandchild, or later offspring. Opposite: Descendant - a person's ancestor.
The plural of grandchild is grandchildren.
The grandchild of your grandmother's first cousin is your third cousin. The grandchild of your grandmother's second cousin is your fourth cousin. The grandchild of your grandmother's third cousin is your fifth cousin.
Grandchild
Santa's grandchild is Kellen Welch.
Second cousins.
The grandchildren would be the parents, aunts and uncles, and first cousins once removed, of the great grandchildren.