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

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

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

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

What relation is your cousin's aunt's niece's mother to you ?

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