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

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

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

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

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

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