public class FamilyCollection {

    .
    .

    private ArrayList<FamilyMember> family = new ArrayList();

    public void remove(FamilyMember member){
        family.remove(member);
    }
    public void add(FamilyMember member){
        family.add(member);
    }
    public FamilyMemberIterator createIterator(){
        return new FamilyMemberIterator();
    }

}