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Dictionary of Medieval Names
from European Sources

Gislold m. Old High German gīsal 'pledge, hostage' + Old High German hold 'friendly, comely, graceful'.

France
Latin
c823 Gisloldus (nom) irminon-vol2 51, CE
Italy
Latin
770 Kislolt (nom) FRA-XXXL 2
Cite as: S.L. Uckelman. "Gislold". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Gislold.