Your brother's sister's father's wife's son's mother is your which relation ?

Your

Brother's

Sister's

Father's

Wife's

Son's

Mother

is your MOTHER !!

What relation is your grandmother's grandson's brother's sister to you ?

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

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

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

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

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