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

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

What relation is your brother's grandmother's grandson's grandfather to you ?

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

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

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