private void PrintSiblings(Person p1, Person p2)
        {
            Helper.Print(p1.ToString(), Relationships.Sibling, p2.ToString());

            if (p1.gender == Relationships.Male)
                Helper.Print(p1.ToString(), Relationships.Brother, p2.ToString());

            if (p1.gender == Relationships.Female)
                Helper.Print(p1.ToString(), Relationships.Sister, p2.ToString());
        }
        private void PrintParents(Person p1, Person p2)
        {
            foreach (var parent in p2.parents)
            {
                Helper.Print(p1.ToString(), Relationships.Child, parent.ToString());

                if (p1.gender == Relationships.Male)
                    Helper.Print(p1.ToString(), Relationships.Son, parent.ToString());

                if (p1.gender == Relationships.Female)
                    Helper.Print(p1.ToString(), Relationships.Daughter, parent.ToString());
            }
        }
        private void PrintKnownSpouses(Person p1, Person p2)
        {
            Helper.Print(p1.ToString(), Relationships.Spouse, p2.ToString());

            if (p1.gender == Relationships.Male)
                Helper.Print(p1.ToString(), Relationships.Husband, p2.ToString());

            if (p1.gender == Relationships.Female)
                Helper.Print(p1.ToString(), Relationships.Wife, p2.ToString());
        }
        private void PrintKnownParents(Person p1, Person p2)
        {
            Helper.Print(p1.ToString(), Relationships.Parent, p2.ToString());

            if (p1.gender == Relationships.Male)
                Helper.Print(p1.ToString(), Relationships.Father, p2.ToString());

            if (p1.gender == Relationships.Female)
                Helper.Print(p1.ToString(), Relationships.Mother, p2.ToString());
        }
        private void PrintKnownAuntsUncles(Person p1, Person p2)
        {
            if (p1.gender == Relationships.Female)
                Helper.Print(p1.ToString(), Relationships.Aunt, p2.ToString());

            if (p1.gender == Relationships.Male)
                Helper.Print(p1.ToString(), Relationships.Uncle, p2.ToString());
        }
        private void PrintChildren(Person p1, Person p2)
        {
            Helper.Print(p1.ToString(), Relationships.Child, p2.ToString());

            if (p1.gender == Relationships.Male)
                Helper.Print(p1.ToString(), Relationships.Son, p2.ToString());

            if (p1.gender == Relationships.Female)
                Helper.Print(p1.ToString(), Relationships.Daughter, p2.ToString());
        }