// Constructors
 public FamilyMember(string name, string mobileNumber, FamilyTreeMember familyMemberType,
     BloodGroupType bloodGroup = BloodGroupType.NotSpecified, string middleName = "", string lastName = "",
     string birthDate = "", string egn = "", string occupation = "", string address = "", string email = "",
     string phoneNumber = "", string website = "")
     : base(name, mobileNumber, middleName, lastName, birthDate, occupation, address, email, phoneNumber, website)
 {
     this.FamilyMemberType = familyMemberType;
     this.BloodGroup = bloodGroup;
     this.Egn = egn;
 }
 // Methods
 public void EditFamilyMemberType(FamilyTreeMember newFamilyMemberType)
 {
     this.FamilyMemberType = newFamilyMemberType;
 }