public void InsertWitnessesForMarriage(Guid marriageId, IList<MarriageWitness> persons)
        {
            using (var context = new GeneralModelContainer())
            {
                Marriage mToUpDate = context.Marriages.FirstOrDefault(m => m.Marriage_Id == marriageId);

                DeleteWitnessesForMarriage(marriageId);

                foreach (var dupePerson in persons.RemoveDuplicateReferences())
                {
                    _personDal.Delete(dupePerson.Person.PersonId);

                }

                foreach (var personDto in persons)
                {
                    var person = context.Persons.FirstOrDefault(p => p.Person_id == personDto.Person.PersonId);

                    if (person != null)
                        context.MarriageMapWitness.Add(new MarriageMapWitness
                        {
                            Persons = person,
                            Marriages = mToUpDate,
                            WitnessNote = personDto.Description
                        });
                }

                context.SaveChanges();
            }
        }