great great nephew
and u wud be a great great aunt... i think :)
great great nephew and u wud be a great great aunt... i think :)
Your niece's grandson is are your great-grandnephew.
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)
Your niece and one of your grandson's parents are first cousins. That makes your niece a first cousin once removed of your grandson.
Your niece's son is your great-nephew. Your niece's grandson is your great-great nephew.
Your grand niece and your grandson are second cousins to each other
Your niece's child and your grandson's child (your great grandchild) are second cousins, once removed, to each other.
A great niece and a grandson of the same person are second cousins to each other.
Your great grandson and your husband's great niece are second cousins, once removed.
Your grandson and your great great niece are second cousins, once removed, to each other
What is my godfathers niece to me
Your niece's brother is your nephew.