Procuratory of resignation by Robert Keith of Benholm in hands of George, Earl Marischal in favour of (succeeded 1581), and William Keith of Pittendrum, of Pittendrum and Pitblae., 29 March 1599., Ch.17199. Charters and formal documents from the Murray of Ochtertyre and Keith, Earl Marischal papers., Ch.16851-17324. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/6269 Accessed September 24, 2024.