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There are two classes public class Playlist { public string Name { get; set; } public Schedule Schedule1 { get; set; } public Schedule Schedule2 { get; set; } } public interface Schedule { string Name { get; set; } } [JsonObject(MemberSerialization = MemberSerialization.OptIn, IsReference = true)] public class ScheduleImpl : Schedule { [JsonProperty] public string Name { get; set; } } each playlist has two schedules, the client code like below, static void Main(string[] args) { Playlist p1 = new Playlist { Name = "playlist1" }; p1.Schedule1 = new ScheduleImpl { Name = "schedule1" }; p1.Schedule2 = p1.Schedule1; var content = Serialize(p1); Console.WriteLine(content); Console.WriteLine("----------------------------------------------------"); Console.ReadLine(); var p = Deserialize<Playlist>(content); Console.WriteLine(p.Schedule1.Name); Console.WriteLine(p.Schedule2.Name); Console.WriteLine("press any key to exit."); Console.ReadLine(); } private static string Serialize(Playlist arg) { var settings = new JsonSerializerSettings() { NullValueHandling = NullValueHandling.Ignore }; return JsonConvert.SerializeObject(arg, Formatting.Indented, settings); } private static T Deserialize<T>(string arg) { var settings = new JsonSerializerSettings(); settings.Converters = new JsonConverter[] { new CustomCreationConverter<Schedule, ScheduleImpl>() }; return JsonConvert.DeserializeObject<T>(arg, settings); } the custom creation converter can't handle the reference, should I parse the 'ref' by myself? public class CustomCreationConverter<A, T> : CustomCreationConverter<A> where T : A, new() { public override A Create(Type objectType) { return new T(); } } and the json output is, { "Name": "playlis

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