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

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

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

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

What relation is your brother's mother's sister's daughter's father in law to you ?

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