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

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

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

What relation is your aunt's nephew's sister's mother's brother in law's brother to you ?

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

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