On the hill above the Sulm and the Mur stands the archbishop's castle of Leibnitz, from which Salzburg colonised southern Styria; beside it the burgraves' castle of Polheim, held by Salzburg ministerials, and below it the market.
The lower castle will go to the new bishops of Seckau after 1218, and the two parts will quarrel across a dividing wall.
Who he is
- Name
- Archbishop Adalbert III, through his officers
- Title
- Archbishop of Salzburg (lord); his officers hold the place
- Since
- As archbishop since 1183
- Born
- 1145
- Family
- See the Salzburg realm record
- Confidence
- medium
Schloss Seggau (de.wikipedia): the area came to Salzburg in 860; the archbishops built the upper castle in the 12th century as a base for colonising southern Styria; Polheim beside it was the seat of Salzburg ministerials and burgraves (names not pinned for 1200).
Overlord
The archbishop of Salzburg; the duke of Styria is advocate of Salzburg's Styrian lands.
What it holds
- The upper castle (Leibnitz) on the Seggauberg
- Polheim, seat of the Salzburg burgraves
- The market of Leibnitz below (date not pinned)
- Estates in the lower Sulm and Laßnitz valleys
How it was acquired
860 (de.wikipedia, Schloss Seggau).
Allies and rivals
The Styrian duke (advocate) and the Wildon ministerials, neighbours to the north.
How things stand that morning
Held for the archbishop.
Wealth
Estates, wine, the market.
Military
Two castles on the Seggauberg.
Threats
- Styrian encroachment
What the year holds
What happened next, if nothing in play changes it. Each event carries what it depends on and what would stop it.
- 1218-1219 (beyond 1200)The new see of Seckau receives the lower castle.Depends on: Eberhard II founding Seckau. Stopped by: Not applicable in 1200.
Where the sources disagree
Evidence: Castle history dated loosely (12th century); the burgraves are unnamed for 1200.
On the map: Approximate district round the castle.
Primary sources for Salzburg (Adalbert III)
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.
- Annals of Schäftlarn and the Bavarian annals (12th and 13th centuries). Brief Bavarian annals. Read online
- The Austrian and Salzburg annals (kept in the 12th and 13th centuries, with continuations to the late 13th century). A family of monastic annals from Austria, Styria and Salzburg, printed together. Read online
- Bavarian monuments: the charters of the Bavarian monasteries and bishoprics (charters from the 8th century onward, published 1763 to 1916). The great charter series of Bavaria, arranged by monastery and bishopric. Read online
Sources and studies
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.