father(person, person)
mother(person, person)
husband(person, person)
wife(person, person)
son(person, person)
daughter(person, person)
brother(person, person)
sister(person, person)
uncle(person, person)
aunt(person, person)
nephew(person, person)
niece(person, person)

male(person)
female(person)
child(person, person)
