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

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

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

What relation is your daughter's grandmother's son's nephew to you ?

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

What relation is your grandmother's grandson's father in law's son's daughter in law to you ?