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Dictionary of Medieval Names
from European Sources

Hartrad m. Old Saxon hard, Old High German hart 'strong, hard' + Old Saxon rād, Old High German rāt 'counsel, advice'.

France
Latin
c823 Hardradus (nom) irminon-vol2 42; 882 Ardradus (nom) InsMacon XIII
Germany
Latin
1214 Hartradus (nom) hennes-vol1 15
Cite as: S.L. Uckelman. "Hartrad". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2018, no. 1. http://dmnes.org/2018/1/name/Hartrad.