PropertyGrid w/ Multiple Instances of Class bound to it

Question

I have an array of a certain class and I want to be able to display all of this data in one PropertyGrid control. For instance I want the data for each object to be shown in a drop box, and if that item is selected show the other data associated with it. Sorry this is a bit confusing to explain so I will give an example.

I have a object that has the first name and last name of multiple people. When a last name is selected in the PropertyGrid than it will show all of the show a firstname associated with it. And the firstname box will also have a dropbox that show all of the other firstnames associated with that lastname.

Anyone have any ideas to help me.