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

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

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

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

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

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