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

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

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

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

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

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