Your grandmother's grandson's aunt's sister's brother is your which relation ?

Your

Grandmother's

Grandson's

Aunt's

Sister's

Brother

is your BROTHER !!

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

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

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

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

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

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