Great Grand Nephew
Your grandson is your sister's great nephew and she is his great aunt.
You are their great aunt/uncle.
She would be his Great Aunt
great great nephew and u wud be a great great aunt... i think :)
Great great aunt/uncle. To your niece, you are the aunt/uncle, to her child you would be the great aunt/uncle. So you would then be the great great aunt/uncle of her child's child (her grandson)
The great grandson of your sister is your great great nephew. You are his great great aunt or great great uncle.
You great aunt's grandson would be your great-great cousin.
You Aunt is you grandson's Great-Great Aunt. Your grandson is your Aunt's Great-Great Nephew.
He is the spoiled grandson of Aunt Alexandra
great great nephew and u wud be a great great aunt... i think :)
Your great aunt's grandson is your second cousin.
Your aunt's great grandson is your first cousin twice removed.