Neithon Alt Clut
Neithon (marvet war-dro 620 ?) a oa roue brezhon Alt Clut (anavezet goude evel Strathclyde) er VIIvet kantved. 
Hervez lignezoù Harley e oa mab d'ar roue Guipno map Dumnagual Hen.

Diviz 
Hervez an istorour Alfred Smyth ez eo ar memes den hag ar roue pikt Nechtan II ha marteze Nechtan, mab Canu, eus an Annaloù Ulaid a vije marvet e 621.

Notennoù

Levrlennadur 
 Anderson, Alan Orr, Early Sources of Scottish History: AD 500–1286, 2 Vols, (Edinburgh, 1922).
 Smyth, Alfred, Warlords and Holy Men, (Edinburgh, 1984)
 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.
 Williams, Anne, Smyth, Alfred P., and Kirby, D.P., (eds.), A Biographical Dictionary of Dark Age Britain, (London, 1991), s.v. "Nechtán", p. 183

Rouaned Alt Clut