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What relation is your sister's brother's aunt's nephew to you ?

What relation is your grandmother's husband's wife's grandson's mother's son to you ?

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

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

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

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