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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 2018, no. 1. http://dmnes.org/2018/1/name/Haelwaloe.