Simple Supplier - Orders model

gistfile1.cs

public class Supplier
{
    public virtual Guid Id { get; set; }
    public virtual string Name { get; set; }
    public virtual ICollection<SupplierOrder> Orders { get; set; }
}

public class SupplierOrder
{
    public virtual Guid Id { get; set; }
    public virtual Supplier Supplier { get; set; }
    public virtual DateTime OrderTime { get; set; }
}