Your sister's uncle's cousin's son's aunt is your which relation ?

Your

Sister's

Uncle's

Cousin's

Son's

Aunt

is your AUNT !!

What relation is your cousin's aunt's niece's mother to you ?

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

What relation is your brother's grandmother's husband's wife's grandson to you ?

What relation is your father's son's aunt's brother in law's cousin to you ?

What relation is your son's brother's uncle's aunt's niece's grandmother to you ?

What relation is your brother's father's wife's son to you ?