EF Collections

ContainerExamples.cs

using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;

public class BigContainer
{
  [Key]
  public virtual int BigContainerID { get; set; }

  public virtual ICollection<LittleContainer> LittleContainers { get; set; }
}

public class LittleContainer
{
  [Key]
  public virtual int LittleContainerID { get; set; }

  public virtual BigContainer BigContainer { get; set; }
  public virtual ICollection<TinyThing> TinyThings { get; set; }
}

public class TinyThing
{
  [Key]
  public virtual int TinyThingID { get; set; }

  public virtual LittleContainer LittleContainer { get; set; }
  public virtual string TinyValue { get; set; }
}