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Dictionary of Medieval Names
from European Sources

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

Estonia
Middle Low German
1383 Aelherr BbRT p. 337
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 2018, no. 1. http://dmnes.org/2018/1/name/Adalhar.