Transfer Object Use - Dymanic Loading of Related Objects

Hi

Can anyone provide me with some strategies of how to dynamically load related objects from a TransferObject(TO). Since the client interacts and operates with TOs it sii logical that the client may ask the TO for its related object. For example asking a Object, Car to get its Owner. Consequently, the TO would either need to have this loaded already or dynamically retrieve this. 

Question : 
1. if the client had a issued this line against the TO object Car, car.getOwner(), then how would the TO get the Owner?
2. What are the strategies ( I can only think of dynamic proxies)?
3. Is this bad/good practice?

public class Car
{
    public Owner geOwner()
    {
        How should be done???? This needs to get it related object from the server (lazy loading) but from here.
    }
}


Thanks
Glenn

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