No if you Great aunt is blood related to you.
Even if shes you Great Aunt by Maringe is not best even then.
great nephew
First cousins, twice removed. Aunts daughter is your cousin. Aunts daughters daughter is cousin once removed Aunts daughters daughters daughter is cousin twice removed.
your cousin
Your great aunt's son is your parent's first cousin and your first your cousin, once removed.
The possessive form for the plural noun great aunts is great aunts'.Example: My three great aunts' house is a great place to visit.
He would call your aunt his great aunt. In informal situations, great aunts are sometimes called, simply aunt.
He would call your aunt his great aunt. In informal situations, great aunts are sometimes called, simply aunt.
There are Aunts, great aunts, great-great aunts, et al. A second aunt would be if you have two aunts and you prefer one over the other. But no there isn't.
Your aunt's son is your first cousin, once removed. Your great aunt's son and one of your parents are first cousins. You are one generation removed from them so you and your great aunt's son are first cousins, once removed.
A nephew is a cousin to his aunt's son.
Your son and your aunt's son are first cousins once removed to each other.
Your great grandparents brothers and sisters are your great uncles and great aunts.