Yes. Some of hers will be passed down to you.
Some of them might be.
Yes, your niece's daughter is your grand niece. You are her great aunt or great uncle.
i think its a GRAND niece instead of great niece and u would be a grand uncle or a grand auntie to her
Your niece's child is your grand-niece or grand-nephew, and they would be a cousin to your children.
The plural of grand niece is grand nieces.
No. A great grand child is the child of your grandchild. The child of your grand niece is your grand niece or grand nephew, depending on the child's sex.
Since your niece is your daughter's first cousin, your grand niece (the daughter of your niece) is your daughter's first cousin, once removed.
Great grand niece
Your niece's son's daughter is your great grand niece. Your niece's son is your grand nephew or your great nephew, whichever term you prefer.
Your grand niece and your grandson are second cousins to each other
Your granddaughter and grand niece are second cousins to each other.
Your niece's daughter is your grand niece, or, as some would say, your great niece.
Your niece's son is your grand-nephew. You are the child's grand aunt, or grand uncle (whichever applies).