Dictionary of Medieval Names
from European Sources

Giselfrid m. Old High German gīsal 'pledge, hostage' + Old High German fridu, Old Saxon frithu 'peace'.

France
Latin
814 Gisilfredus (nom) StVdM-II A4
Cite as: S.L. Uckelman. "Giselfrid". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2023, no. 1. http://dmnes.org/2023/1/name/Giselfrid.