Adolphus XI of Schauenburg (, , ) (1401 – 4 December 1459), as Adolph I
Duke of Schleswig
The following is a list of earl, jarls and dukes, who ruled over Schleswig respectively Southern Jutland (Sønderjylland).
First jarls/dukes
House of Estridsen (1080–1375)
House of Schauenburg (1325-1459)
Under domain of Oldenburg
In ...
(, formerly ), and as Adolph VIII Count of
Holstein-Rendsburg, was the mightiest vassal of the Danish realm.
Background
Adolph descended from a branch of the
House of Schauenburg
The House of Schaumburg was a dynasty of German rulers. Until , it was also known as the House of Schauenburg. Together with its ancestral possession, the County of Schaumburg, the family also ruled the County of Holstein and its partitions Hols ...
, who had for centuries been counts of
Holstein
Holstein (; ; ; ; ) is the region between the rivers Elbe and Eider (river), Eider. It is the southern half of Schleswig-Holstein, the northernmost States of Germany, state of Germany.
Holstein once existed as the German County of Holstein (; 8 ...
, and as such, vassals of the
Holy Roman Empire
The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...
. His great-grandfather
Gerhard the Great, having also been a Regent of the
Kingdom of Denmark
The Danish Realm, officially the Kingdom of Denmark, or simply Denmark, is a sovereign state consisting of a collection of constituent territories united by the Constitution of Denmark, Constitutional Act, which applies to the entire territor ...
, had received the Duchy of Sønderjylland from the Danish crown as a hereditary
fief
A fief (; ) was a central element in medieval contracts based on feudal law. It consisted of a form of property holding or other rights granted by an overlord to a vassal, who held it in fealty or "in fee" in return for a form of feudal alle ...
. It had been lost for the Schauenburgs between 1330 and 1375, with Queen
Margaret I of Denmark
Margaret I (; March 1353 – 28 October 1412) was Queen regnant of Denmark, Norway, and Sweden (which included Finland) from the late 1380s until her death, and the founder of the Kalmar Union that joined the Scandinavian kingdoms together for ...
restricting the regained ducal power in 1386, and again from 1414 to 1440.
Count Adolph's parents were
Gerhard VI, Count of Holstein-Rendsburg and
Catherine Elisabeth of Brunswick-Lüneburg. Adolph was only three years old when his father was killed in action against the
Ditmarsians in the
Battle at Hamme near
Heide (today's
Schleswig-Holstein
Schleswig-Holstein (; ; ; ; ; occasionally in English ''Sleswick-Holsatia'') is the Northern Germany, northernmost of the 16 states of Germany, comprising most of the historical Duchy of Holstein and the southern part of the former Duchy of S ...
), on 4 August 1404. Adolph was educated at the court of
Frederick I, Margrave of Brandenburg.
Career
Adolph's elder brother
Henry IV succeeded their father. As Duke of Schleswig, he was under the tutelage of the Danish crown due to his minority until 1414. However, then the crown denied Henry's claim to dukedom. Henry and his mother and brothers stood together and fought for his claim. During the
Danish-Holstein-Hanseatic war Henry was killed in action beleaguering
Flensburg
Flensburg (; Danish language, Danish and ; ; ) is an independent city, independent town in the far north of the Germany, German state of Schleswig-Holstein. After Kiel and Lübeck, it is the third-largest city in Schleswig-Holstein.
Flensburg's ...
on 28 May 1427.
Adolph and his younger brother
Gerhard VII then succeeded Henry as Counts of Holstein-Rendsburg, continuing their efforts to receive the Duchy of Schleswig. However, Gerhard died in 1433 in
Emmerich upon Rhine. In July 1435 Adolph and the Danish King
Eric of Pomerania concluded the second
Treaty of Vordingborg at
Vordingborg Castle, confirming Adolph's de facto holdings in Schleswig duchy. In 1439, the new Danish King
Christopher III acquired the loyalty of Adolph by granting him the entire Duchy of Schleswig as a hereditary Danish fief. Adolph's lands were located in both sides of the border between Denmark and the
Holy Roman Empire
The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...
.
The current branch of Danish royal house became extinct in 1448 with the death of
Christopher III of Denmark. Adolph was a
cognatic descendant of King
Eric V of Denmark, whose mother
Queen Dowager
A queen dowager or dowager queen (compare: princess dowager or dowager princess) is a title or status generally held by the widow of a king. In the case of the widow of an emperor, the title of empress dowager is used. Its full meaning is cle ...
Margaret Sambiria had obtained a papal confirmation of the right of also female descendancy of
Christopher I of Denmark to succeed to the throne of Denmark. Adolph was also the cognatic descendant of King
Abel of Denmark through his daughter Sophia; Christopher III was the last descendant of King Abel's sons.
The throne was offered by the
Rigsråd to Adolph, who as Duke of Schleswig, was the vassal with the biggest holdings in the Danish realm. Adolph, by that time old and childless, declined and supported the candidacy of his own nephew the
Count of Oldenburg who became
Christian I of Denmark.
Adolph was married on 5 March 1435, to Margaret of Höllenstein of the German noble family of
Hohnstein. They had one son, who died young. In 1459 Adolph died and left no descendants to inherit. His sisters were the late
Hedvig (), who was married with
Dietrich, Count of Oldenburg
Dietrich or Theoderic of Oldenburg ( – 14 February 1440) was a feudal lord in Northern Germany, holding the counties of Delmenhorst and Duchy of Oldenburg, Oldenburg. He was called "Fortunatus", as he was able to secure Delmenhorst for hi ...
and had left children, and the elderly
Ingeborg of Holstein, Abbess of
Vadstena
Vadstena () is a locality and the seat of Vadstena Municipality, Östergötland County, Sweden
Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It bo ...
, who lived as a nun and was both unmarried and childless. His brother Gerhard had mixed twins, with the son Henry drowned still young and the daughter Catherine a nun in
Preetz Priory. There were several claimants to Holstein-Rendsburg and Schleswig, since then the Schauenburgs still continued to rule the County of
Holstein-Pinneberg in the male line, and several extinct lines of the family, counts of different parts of Holstein, had left female offspring and their cognatic heirs. Adolph's branch was not genealogically very senior.
The representatives of Schleswig and Holstein (nobility and some delegates of the Estates) convened in
Ribe
Ribe () is a town in south-west Jutland, Denmark, with a population of 8,367 (2025). It is the seat of the Diocese of Ribe. Until 1 January 2007, Ribe was the seat of both a surrounding municipality and county. It is now part of the enlarged E ...
where, on 5 March 1460, the succession was confirmed to
Christian I of Denmark, the eldest nephew of the late Duke of Schleswig and Count of Holstein-Rendsburg.
Seal

His seal shows the coats-of-arms of Schleswig (two lions) and Holstein (the so-called stylised ''nettle leaf''). The inscription says: SIGILLUM*ADOLPHI*DUCIS*SLEVICENSIS*HOLTSACIE*COMITIS (Seal • of Adolphus • Duke • of Schleswig • Holstein's • Count)
Ancestry
See also
*
Treaty of Ribe
*
History of Schleswig-Holstein
References
Sources
This article derives mainly from the
Salmon Konversationsleksikon 2nd edition (JH Schultz Forlag. 1915 to 1930).
*''Die Fürsten des Landes: Herzöge und Grafen von Schleswig, Holstein und Lauenburg''
e slevigske hertuger; German Carsten Porskrog Rasmussen (ed.) on behalf of the Gesellschaft für Schleswig-Holsteinische Geschichte, Neumünster: Wachholtz, 2008, .
*
*
Other sources
*Gregersen, H. V. (1981) ''Slesvig og Holsten før 1830'' (Politiken) Danish
*Trap J. P. (1975) ''Hertugdømmet Slesvig'' (Selskabet for Udgivelse af Kilder til Dansk Historie) Danish
*Pulsiano, Phillip; Wolf, Kirsten (1993) ''Medieval Scandinavia: An Encyclopedia'' (Taylor & Francis)
{{DEFAULTSORT:Adolf 08, Count of Holstein
Adolf 01
House of Schauenburg
Counts of Holstein
15th-century Danish nobility
15th-century Danish people
1401 births
1459 deaths