A comital family whose estates lie on the middle Vils in Lower Bavaria, round Frontenhausen and Teisbach.
With only one son, a cleric, the house is near its end: its future lies with the son, who as bishop of Regensburg will make peace with Duke Louis over the city in 1205.
Who he is
- Name
- Heinrich (II) of Frontenhausen (not pinned for 1200)
- Title
- Count of Frontenhausen
- Since
- Not pinned
- Born
- Not pinned
- Family
- Heinrich II and his wife Adelheid, heiress of Frontenhausen, Teisbach and Megling, had one son, Konrad, a canon of Passau since 1194, then provost at Freising and canon of Regensburg; elected bishop of Regensburg in April 1204 and Philip's chancellor from 1205; he dies on 8 April 1226 as the last of the line.
- Confidence
- low
de.wikipedia (Konrad IV. von Frontenhausen)
Overlord
The duke of Bavaria and the king.
What it holds
- Frontenhausen castle on the Vils
- Teisbach on the Isar (by the marriage with Adelheid)
- Megling (by the same marriage; location not pinned)
How it was acquired
Old comital lands and the heiress Adelheid's inheritance.
Allies and rivals
Neighbours of the duke's lands on the Isar and of the Ortenburgers on the Rott.
How things stand that morning
Holds Frontenhausen and Teisbach; nothing recorded for 1199-1200.
Wealth
The Vils and Isar valleys.
Military
Frontenhausen and Teisbach castles.
Threats
- The end of the line
Places of note
- Frontenhausen: The counts' castle on the Vils.
Where the sources disagree
Evidence: Known mainly through Bishop Konrad IV.
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.
- 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
- Chronicle of Otto of St Blasien, Otto of St Blasien (about 1209 to 1210). A Swabian continuation of Otto of Freising written from the Staufen side. Read online
- Regesta Imperii V: calendar of the acts of Philip, Otto IV and Frederick II, 1198 to 1272 (calendar of documents of 1198 to 1272, published 1881 to 1901). A dated calendar of every known act of King Philip and King Otto IV, with the acts of popes and princes that bear on the Empire. 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
- Charter book of the bishops of Trent (compiled 1207 to 1218; documents from the 11th century onward; edited 1852). The cartulary of the prince-bishops of Trent. Read online
Sources and studies
Last revised 4 November 2026. Published 4 November 2026. Suggest a correction on the OMNIA Discord.