using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Object object1 = new Object(); //{Name = "BLEGH"};

        Object object2 = new Object(){ ChildObject = new ChildObject { Name = "Steve"}};

        List<Object> ObjectList1 = new List<Object>();

        ObjectList1.Add(object1);

        List<Object> ObjectList2 = ObjectList1.Where(x => x.ChildObject.Name.Equals("Steve")).ToList();

        ObjectList2.ForEach(x => Console.WriteLine("Object: " + x.ChildObject.Name));

    }

}

​

public class Object {

    public ChildObject ChildObject;

}

​

public class ChildObject {

    public string Name ;

}

​