edjournal/DiedEntry.cs

using System.Collections.Generic;
using Newtonsoft.Json.Linq;

namespace EDJournal {
    public class Killer {
        private string name;
        private string rank;
        private string ship;

        public string Name {
            get => name;
            set => name = value;
        }
        public string Rank {
            get => rank;
            set => rank = value;
        }
        public string Ship {
            get => ship;
            set => ship = value;
        }
    }

    public class DiedEntry : Entry {
        private readonly List<Killer> killers = new List<Killer>();

        public List<Killer> Killers => killers;
        public Killer Killer => killers.Count > 0 ? killers[0] : null;
        public bool WasWing => killers.Count > 1;

        protected override void Initialise() {
            var wing = JSON.Value<JArray>("Killers");
            if (wing != null) {
                /* a wing killed us */
                foreach (JObject child in wing.Children<JObject>()) {
                    Killer killer = new Killer {
                        Name = child.Value<string>("Name") ?? "",
                        Rank = child.Value<string>("Rank") ?? "",
                        Ship = child.Value<string>("Ship") ?? ""
                    };
                    killers.Add(killer);
                }
            } else {
                /* a single ship killed us */
                Killer killer = new Killer {
                    Name = JSON.Value<string>("KillerName") ?? "",
                    Rank = JSON.Value<string>("KillerRank") ?? "",
                    Ship = JSON.Value<string>("KillerShip") ?? ""
                };
                killers.Add(killer);
            }
        }
    }
}