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

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

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

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

What relation is your father's son's aunt's niece to you ?

What relation is your brother's father's sister's brother in law to you ?