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

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

What relation is your daughter's grandfather's wife's husband to you ?

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

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

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