Counts · Duchy of Bavaria · as at first light, 1 January 1200

Abensberg

A noble house of the Abens valley south of Kelheim, holders of the castle of Abensberg and of Rottenegg in the Hallertau, and advocates of the Augustinian canons of Rohr.

Their kin founded the abbey of Biburg, where Duke Louis's sister Elisabeth was buried about 1190.

Who he is

Name
Not pinned for 1200 (Meinhard I, count of Rottenegg, died before 1237, and his brother Bernhard are the next named; Sophia, widow of Gebhard of Abensberg, is named in 1181)
Title
Lords of Abensberg, counts of Rottenegg
Since
Not pinned
Born
Not pinned
Family
In 1209 Bishop Konrad of Regensburg records that Meinhard challenged the privileges of the canons of Rohr and that his brother Bernhard followed him as advocate of Rohr.
Confidence
low

fmg.ac (Bavarian nobility: Grafen von Abensberg, Rottenegg)

Overlord

The duke of Bavaria and the king.

What it holds

  • Abensberg castle on the Abens
  • Rottenegg castle in the Hallertau
  • The advocacy of Rohr (by 1209)

How it was acquired

Old noble lands (not pinned).

Allies and rivals

Neighbours of the duke's Kelheim lands.

How things stand that morning

Holds Abensberg and Rottenegg; nothing recorded for 1199-1200.

Military

Abensberg and Rottenegg castles.

Places of note

  • Abensberg: The family's castle.

Where the sources disagree

Evidence: Few dated acts before 1209.

On the map: Rough.

Primary sources for Bavaria

Chronicles, registers, sagas and inscriptions written in or near 1200 that cover this entry. Each has its own page with editions, translations and where to read it.

Sources and studies

  1. Medieval Lands: Bavarian nobility (fmg.ac)

Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.