Trewithen Researching Trewithen: The House and Its Works Details Country House Trewithen Title(s) Researching Trewithen: The House and Its Works Date 2020-11-20 Credit Film by Jonathan Law. Made with the participation of Martin Postle, Emily Burns, and Rodolfo Acevedo Rodriguez. Catalogue items from Trewithen Trewithen Unknown Woman, traditionally identified as Susanna Sibthorp Henry Edridge Trewithen Sir Jonathan Rashleigh circle of Jonathan Richardson the Elder, c.1740s Trewithen John Pendarves Basset Enoch Seeman Share-icon