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

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

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

What relation is your sister's mother's daughter's brother to you ?

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

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