Your grandmother's grandson's uncle's daughter's father+in+law is your which relation ?

Your

Grandmother's

Grandson's

Uncle's

Daughter's

Father in law

is your UNCLE !!

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

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

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

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

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

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