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

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

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

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

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

What relation is your aunt's niece's mother's daughter's son to you ?