Your aunt's husband is your uncle. You are his nephew if you are a boy, niece if you are a girl.
Your aunt is your aunt (the sister of one of your parents) and you are her niece or nephew.
Your aunt's child, son or daughter, is your First Cousin.
The same is true for your uncle's children.
Your aunt's husband is your uncle.
He would also be your cousin.
a nephew's kid to his aunt's kids would be their cousin.
She would be your great aunt.
Great Aunt to Great Niece.
Your great aunt is either your father or your mother's aunt.
You Aunt is you grandson's Great-Great Aunt. Your grandson is your Aunt's Great-Great Nephew.
Your aunt's daughter is your first cousin.
She was Andy's aunt (Andy's mom and Aunt Bea were sisters).
When your aunt is your aunt because she married your father's brother, her mother is not related to you.
aunt
You are their aunt or aunt by marriage.
Your great aunt's grandson is your second cousin.
Your great-great aunt is your daughter's great-great-great aunt.