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

Hernstein (Falkenstein)

The Austrian outlier of the Bavarian counts of Falkenstein and Neuburg, whose famous register, the Codex Falkensteinensis, was written for Count Siboto IV in 1166.

Hernstein lies in the hills between the Triesting and the Piesting south-west of Baden, just north of the Styrian district of Pitten. The house's main record is bav's.

Who he is

Name
The sons of Count Siboto IV, Kuno and Siboto V (who heads the house on 1 January 1200 is not pinned)
Title
Counts of Falkenstein and Neuburg (a Bavarian house)
Since
Family holding recorded in the house register of 1166 (the Codex Falkensteinensis)
Born
not pinned
Family
Siboto IV and his wife Hildegard of Mödling appear with their sons in the register of 1166. The house's main lands are on the Inn and the Mangfall (bav's record Falkenstein).
Confidence
low

bav's record Falkenstein, which lists Hernstein as Austrian ground not drawn there.

Overlord

Duke Leopold VI of Austria for Hernstein; the duke of Bavaria for the house's main lands

What it holds

  • Hernstein castle and its estates (extent not pinned)

How it was acquired

Held by 1166.

How things stand that morning

Held by the Falkenstein counts (head of the house not pinned).

Wealth

Estates in the Wienerwald foothills.

Military

Hernstein castle.

Places of note

  • Hernstein: The Falkenstein counts' Austrian castle

Where the sources disagree

Evidence: Known from the 1166 register; no 1200 document seen.

On the map: A disc; the lordship's extent is not pinned.

Primary sources for Austria

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. Codex Falkensteinensis, de.wikipedia (via bav-falkenstein)

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