Dúnchad of Reims
Irish teacher and scholar at Reims known from a stray leaf in London, BL, MS Royal 15 A xxxiii, where his name is written as Duncaht and a commentary on Martianus Capella is attributed to him.
See also references for related subjects.
Kenney, James F., “Chapter VI: The expansion of Irish Christianity”, in: Kenney, James F., The sources for the early history of Ireland: an introduction and guide. Volume 1: ecclesiastical, Records of Civilization: Sources and Studies 11, Revised ed. (1929), New York: Octagon, 1966. 486–621.
573–574  “Dunchad”