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

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

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

What relation is your aunt's niece's father's brother's cousin to you ?

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

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