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 James Heywood British School, c. mid-1720s Trewithen Águas Livres Aqueduct, Lisbon Jean-Baptiste Pillement Trewithen Maria Hawkins after George Romney, after 1785 Share-icon