Name: Sigeberg
Circary at the Time: Dania et Norvegia
Years of Activity: n/a
Gallery: None.
Map: None, see below.
Monasticon Praemonstratense: (I, 275)
Approximate modern location: n/a
Elm-Number [See Below]: None.
Other Comments: A possible confusion with an O.S.A. Abbey of this name in Holstein, Germany; or possibly with Langen, in eastern Frisia.
* This listing (and the numbers, with a few adjustments after 1995) is based on the map contained in Kaspar Elm's Norbert von Xanten: Adliger, Ordensstifter, Kirchenfürst, Wienand Verlag, Köln, 1984, page 328-329.