Dictionary of Medieval Names
from European Sources

Adalhar m. Old High German adal 'noble' + Old High German heri 'host, army'.

France
Latin
c823 Adalharius (nom) irminon-vol2 101, Palatiolum
1301 Alerinus (nom) MemPic-vol17 p. 176
Cite as: S.L. Uckelman. "Adalhar". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 4. http://dmnes.org/2016/4/name/Adalhar.