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

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

What relation is your brother's sister's cousin's grandfather to you ?

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

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

What relation is your mother's husband's son's grandfather to you ?