Dictionary of Medieval Names
from European Sources

Roenwallon m. Old Breton roen, roin 'royal, of kingly lineage' + Old Breton uuallon, Old Welsh uualaun, uualon 'valorous'.

France
Latin
832 Roinuuallon (nom) CartRed I; 833 Roenuuallon (nom) ibid. VII; 834 Roiantuuallon (nom) ibid. IV
Cite as: S.L. Uckelman. "Roenwallon". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Roenwallon.