Select the relation and press Add Button.

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

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

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

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

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

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