Sigebert

Sigebert, also spelled Sigibert, Sigobert, Sigeberht, or Siegeberht, is the name of:

Frankish and Anglo-Saxon kings

Sigobert the Lame, a king of the Franks
Sigebert I, King of Austrasia
Sigebert II, King of Austrasia and Burgundy
Sigebert III, King of Austrasia
Sigeberht the Little, King of Essex
Sigeberht the Good, a king of Essex
Sigeberht of [East Anglia], saint and a king of the East Angles
Sigeberht of Wessex, King of Wessex

Others

Sigebert of Gembloux, Belgian medieval author and historian
Sigebert Buckley, Benedictine monk in England
Sigebert IV, fictitious son of the Merovingian king Dagobert II