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Dictionary of Medieval Names
from European Sources

Gerbrand m. Old High German, Old Saxon gēr 'spear' + Old High German, Old Icelandic brant 'fire, brand'.

France
Latin
1378 Gherbrandi (gen) hanquetvol1 597, Gherbrando (dat) ibid. 618
Cite as: S.L. Uckelman. "Gerbrand". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Gerbrand.