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

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

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

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

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

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