aq44(Person,Person1,Children,Children1):-
Family = family(Husband,Wife,Child),
Family1 = family(Husband1,Wife1,Child1),
Person = person(Name,Surname,_,_),
Person1 = person(Name,Surname,_,_),
exists(Person),
exists(Person1),
Person \=Person1,
Person1 \=Person,
Person @<Person1.
This...