Dictionary of Medieval Names
from European Sources

Richelm m. Old High German rih 'ruler' + Old High German, Old Saxon helm 'helmet'.

France
Latin
1030 Richelmus (nom) StVdM-II 712; 1073 Riquelmus (nom) ibid. 706; 1098 Richelmo (abl) ibid. 697, Richelmus (nom) ibid. 697
Cite as: S.L. Uckelman. "Richelm". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Richelm.