Dave Hitchborne on Geograph Saint Margaret's Chapel. 12th century. The oldest building in the castle built by King David I (1124-53) and dedicated to his mother who died here in 1093. She was created a saint in 1250 Edinburgh Castle, Edinburgh #11 of the Edinburgh Castle series Colour: This plaque is purple, white and green glass claret orange purple clear bronze grey stone red slate wood blue black brass multicoloured pink brushed metal green maroon film cell green and red Belgian Blue Stone red and black yellow terracotta marble brown silver white gold Wikimedia: Flickr: Google Streetview OpenStreetMap See also... gnomonic on Flickr