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What relation is your daughter's grandmother's son's sister to you ?

What relation is your father's wife's brother's daughter's sister to you ?

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

What relation is your cousin's mother's son's father in law to you ?

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

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