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

What relation is your aunt's niece's father in law's son's daughter in law to you ?

What relation is your daughter's grandmother's husband's brother to you ?

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

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

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