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

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

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

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

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

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