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

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

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

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

What relation is your grandmother's grandson's aunt's niece to you ?

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