Fig 11.4. a) Seal of Rhys Goch. Actual size 43 mm. National Library of Wales, Penrice & Margam Ch.1997, c. 1200 × 1208. Photograph: author; b) Seal of Alaithur ab Idnerth. Actual size 40mm. National Library of Wales, Penrice & Margam Ch. 1959, c. 1208; c) seal of David Scurlage. Actual size 31 mm. National Library of Wales, Penrice & Margam Ch. 61, 1202. All images by permission of Llyfrgell Genedlaethol Cymru/The National Library of Wales.