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Dictionary of Medieval Names
from European Sources

Ingbert m. Old German, Old Icelandic ing(i), of uncertain origin but perhaps identical with the god name Ing or Yngvi, also of uncertain origin + Proto-Germanic *berhtaz.

France
Latin
c823 Hincbertus (nom) irminon-vol2 23, CE
Cite as: S.L. Uckelman. "Ingbert". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2016, no. 3. http://dmnes.org/2016/3/name/Ingbert.