Gisilfrid

Derived from the Germanic elements gisil "hostage" and frid "peace".

EQUIVALENTS
ENGLISH: Geffrey, Geoffrey, Jeffery, Jeffrey, Jeffry
FRENCH: Geoffrey, Geoffroy, Joffrey
IRISH: Séafra, Siothrún
MEDIEVAL FRENCH: Geoffroi
WELSH: Sieffre
DIMINUTIVES AND SHORT FORMS
ENGLISH: Geoff, Jeff, Jep
OTHER FORMS
ENGLISH: Jefferson, Jepson