"Grand-" is nothing more than an alternate or slang term for great. "Great-" is the proper prefix for distant family.
I think in this case Great Aunt sounds better
where grandparents is better, Great parents don't really describe your parents parents!
and when going even more generations back then your parents parents, it common to use both, My great great great great grand pappy...
We use Great Aunt with our children "Great Aunt Cathy".
Both Great Aunt and Grand Aunt are used. The preferred term is different in different parts of the English speaking world.
Some people prefer "great great aunt " and others prefer "great grand aunt." There does not appear to be a hard and fast rule on this point.
When your nephew has a baby you are that baby's a great aunt if you are a woman. If you are a man, you are the baby's great uncle
that makes you the "great great uncle/auntie"
If your great niece has a baby, that baby is your great great niece, or your great great nephew.
Yes you are Grandaunt.
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...
yes she is
Your "great niece"
The great aunt is the great niece's baby's great-great aunt.
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).
Your nephew's daughter is your great niece. Her child is your great great niece or great great nephew.
yes she is
Your sister's aunt (who is also your aunt) is the baby's great aunt. The baby is a great niece or great nephew of your sister's aunt.
You are great great aunt to your niece's grandchild. Your children and your niece's grandchild are first cousins, twice removed.
That's easy cousins.
The child of your nephew is your great nephew (if a son) or your great niece (if a daughter).
Yes, your niece's daughter is your grand niece. You are her great aunt or great uncle.