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

What relation is your son's uncle's mother's nephew to you ?

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

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

What relation is your grandmother's grandson's aunt's sister to you ?

What relation is your father's sister's niece's uncle to you ?