Dictionary of Medieval Names
from European Sources

Haelwaloe m. Old Breton hael 'generous, noble' + Old Breton uuallon, Old Welsh uualaun, uualon 'valorous'.

France
Latin
834 Haeluualoe (nom) CartRed III
Cite as: S.L. Uckelman. "Haelwaloe". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Haelwaloe.