"Any possession of his will make the scrying spell substantially more effective; if you can find or draw a portrait or likeness of him, that of course will make things even even easier.

"Traveling to Sorell probably is the best course of action. I can teleport us there fairly efficiently, within no more than two discrete legs. We may wish to delay a day or two if we get a good location for the Father, though. We should make sure he is safe and, if necessary, somewhere safer than where he is now."