Your brother's uncle's son's aunt is your which relation ?

Your

Brother's

Uncle's

Son's

Aunt

is your AUNT !!

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

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

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

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

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

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