Tolong jelaskan mengenai Dumnagual III

Dumnagual III (, wafat skt. 760) merupakan seorang raja Strathclyde pada pertengahan abad kedelapan (mungkin 754–760). Menurut silsilah Harleian, dia adalah putra Teudebur, salah satu pendahulunya.

Clancy, Thomas Owen, "Govan, the Name, Again", in Report of the Society of Friends of Govan Old, 8 (1998), pp. 8–13

Forsyth, Kathryn, "Evidence of a Lost Pictish source in the Historia Regum Anglorum of Symeon of Durham", in Simon Taylor (ed.) Kings, Clerics, and Chronicles in Scotland, 500-1297: Essays in Honour of Marjorie Ogilvie Anderson on the Occasion of Her Ninetieth Birthday, (Dublin, 2000), pp. 19–32; Appendix by John Koch, pp. 33–4.

MacQuarrie, Alan, "The Kings of Strathclyde", in A. Grant & K.Stringer (eds.) Medieval Scotland: Crown, Lordship and Community, Essays Presented to G.W.S. Barrow, (Edinburgh, 1993), pp. 1–19

Woolf, Alex, "Onuist son of Uurguist:Tyrannus Carnifex or a David for the Picts", in David Hill & Margaret Worthington (eds.), Æthelbald and Off, Two Eighth-Century Kings of Mercia: Papers from a Conference held in Manchester in 2000, (Manchester, 2005), pp. 35–42.