Surveys and valuations of the estates of Brogyntyn (Porkington), 1698-1844, Brogyntyn combined with Llanddyn and Broniarth (part of Abertanat), 1793, 1813, Drenewydd (acquired by Brogyntyn in 1830), 1806, 1852, and Llanddyn [19 cent., first ¼], situated in Shropshire, Montgomeryshire and Llangollen.