Circary at the Time: Saxonia
Years of Activity: n/a
Map: None, see below.
Monasticon Praemonstratense: (I, 248)
Approximate modern location: n/a
Elm-Number [See Below]: None.
Other Comments: This institution has never existed. It may refer to Riga, but is otherwise unknown. [In German, "Imbria" (shadows in Latin) is sometimes referred to as "Regen" (Rainy)]
* 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.