Your sister's brother's cousin's aunt's niece is your which relation ?

Your

Sister's

Brother's

Cousin's

Aunt's

Niece

is your COUSIN !!

What relation is your mother's sister's niece's aunt's nephew's wife to you ?

What relation is your sister's cousin's mother's daughter to you ?

What relation is your son's uncle's sister's daughter to you ?

What relation is your uncle's son's aunt's daughter to you ?

What relation is your aunt's sister's uncle's son to you ?

What relation is your sister's grandmother's grandson's father to you ?