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

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

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

What relation is your sister's aunt's son's grandfather to you ?

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

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