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

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

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

What relation is your mother's son's cousin's aunt's sister's uncle to you ?

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

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