Sigibert

Old Germanic form of SIEGBERT.

SIEGBERT   male   German
Derived from the Germanic elements sigu "victory" and beraht "bright". This was the name of several Frankish kings, including the 7th-century Sigebert III of Austrasia who is regarded as a saint.
EQUIVALENTS
ANGLO-SAXON: Sigeberht
GERMAN: Siegbert
DIMINUTIVES AND SHORT FORMS
FRISIAN: Sikke