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

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

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

What relation is your cousin's father in law's son's mother'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 aunt's daughter's sister's mother to you ?