Select the relation and press Add Button.

What relation is your brother's father's wife's son to you ?

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

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

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

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

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