In the unlikely case you've not seen it Jane, more about the Crown Inn Drybrook may be found on this prior post.
http://www.forest-of-dean.net/fodmembers/index.php?mode=thread&id=1707

I cannot give a direct link to the page, which admittedly doesn't have too much information, but if you enter "Hawthorns" into the search box on the excellent Easywell GlosPubs site, it will take you straight to the Crown.
http://www.gloucestershirepubs.co.uk/AllGlosPubsDatabase/AllGlosPubs_view.php

Also here ref Solomon Griffiths;
http://forum.forest-of-dean.net/index.php?id=1460
http://forest-of-dean.net/fodmembers/index.php?mode=thread&id=1120