Circary at the Time: Dania et Norvegia
Years of Activity: n/a
Map: Click Here (Source: © MapQuest http://www.mapquest.com)
Monasticon Praemonstratense: (I, 275)
Approximate modern location: East of Groningen, almost to the German border in northeastern Netherlands northeast of the Dutch city of Winschoten.
Elm-Number [See Below]: None.
Other Comments: A corruption of the name Barthe (Beerta) in 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.