Once the baby is born, you are considered to be its grand aunt or grand uncle.
You would be the child's great uncle or great aunt.
yes she is
Your "great niece"
Great niece's baby is your great-great niece or great-great nephew.The system works like this:Your niece's child is your great niece/nephewYour great niece's child is your great great niece/nephewYour great great niece's child is your great great great niece/nephewYour great great great niece's child is your great great great great niece/nephew...
If you are male, you are great uncle to your niece's child. If you are female you are great aunt. The child is your great nephew (if it is a boy) or great niece (if it is a girl).
No.
Your niece.
They are first cousins once removed.
The great aunt is the great niece's baby's great-great aunt.
yes she is
Niece
Isys
a niece or nephew