Duke of Schleswig

The following list is a list of jarls and dukes, who ruled over Schleswig respectively Southern Jutland (Sønderjylland).

First jarls/dukes

Picture	Reign	Name
	1080–1095	Olaf I, jarl (earl) of Jutland, since 1086 king of Denmark
	1095–1120	vacant
	1120–1131	Canute Lavard (Knud Lavard), titled dux Daciae[1] (i.e. Duke of Denmark)
	1131–1134	Magnus
	1134-ca. 1152	vacant
	ca. 1152–1154	Valdemar I the Great (Valdemar 1.), titled dux Daciae[1] (i.e. Duke of Denmark), also king of Denmark
	ca. 1152–1170	vacant
	ca. 1170–1173	Christopher of Jutland (illegitimate son of the precedent), titled dux Iuciae[1] (i.e. Duke of Jutland)
	1173–1183	vacant
	1183–1216	Valdemar II (Valdemar 2.), titled dux slesvicensis[1] (i.e. Sleswickian duke), represented by the regent Bishop Valdemar Knudsen (1182–1193), Valdemar II became Danish king in 1202
	1209–1216	Valdemar the Young, son of the precedent, minor co-duke, also Danish co-king (1218–1231, d. 1231)
	1216–1232	Eric Valdemarsøn, minor duke, also Danish king as Eric IV (1241–1250)

Years as given here according to Esben Albrectsen.^[2]

Abelslægten (1232–1326)

Portrait	Reign	Name
	1232–1252	Abel, king of Denmark (1250–52)
	1254–1257	Valdemar III
	1260–1272	Eric I
	1272–1283	vacant
	1283–1312	Valdemar IV (Valdemar 4. af Sønderjylland)
	1312–1325	Eric II
	1325–1326	Valdemar V, as Valdemar III Danish king

House of Schauenburg (1326–1330)

Portrait	Reign	Name
	1326–1330	Gerhard I the Great (Gerhard den kullede greve), as Gerhard III, Count of Holstein-Rendsborg

Abelslægten (1330–1375)

Portrait	Reign	Name
	1330–1364	Valdemar V., as Valdemar III. king of Denmark
	1364–1375	Henry

House of Schauenburg (1375–1459)

Portrait	Reign	Name
	1375–1381/1384	Henry the Iron (Danish: Henrik Jern) and his brother Nicholas (Danish: Klaus, joint rule)
	1375–1386	Nicholas and Henry II the Iron in joint rule till 1381/1384
	1386–1404	Gerhard II, Duke of Southern Jutland (Sønderjylland), as Gerhard VI, Count of Holstein-Rendsborg
	1404–1427	Henry III, Count of Holstein-Rendsburg as Henry IV also, as duke under tutelage of the Danish crown until 1414, then the crown disputed his claim to dukedom, he was killed in action warring for his claim
	1427/40-1459	Adolf I, also Count of Holstein-Rendsburg as Adolf VIII, younger brother of Henry, Denmark denied his claim to dukedom until 1440
	1427–1433	Gerhard III, co-ruler, also Count of Holstein-Rendsburg as Gerhard VII, younger brother of Adolf VIII, during his lifetime, the claim to dukedom remained disputed by the Danish crown

House of Oldenburg (1460–1544)

Portrait	Reign	Name
	1460–1481	Christian I (Christian 1.)
	1481–1513	John (Hans), with Frederick I since 1482
	1513–1523	Christian II (Christian 2.), deposed, died 1559; with Frederick I
	1490–1533	Frederick I (Frederik 1.), as administrator 1482–1490, thereafter co-ruling
	1523–1544	Christian III (Christian 3.), with his father till 1533

Co-ruling dukes of the Houses of Oldenburg, Gottorp and Haderslev

House of Oldenburg (1544–1580) Portrait Reign Name 1523–1559 Christian III – with his brothers Adolf and John II 1559–1588 Frederick II (Frederik 2.)	House of Schleswig-Holstein-Haderslev Portrait Reign Name 1544–1580 John II the Elder – with his brothers Adolf and Christian, and then the latter's son Frederick. In 1580 Frederick II and Adolf divided John's share among each other.	House of Schleswig-Holstein-Gottorp (1544–1580) Portrait Reign Name 1544–1586 Adolf – with his brothers John II and Christian and then the latter's son Danish Frederick II

Co-ruling dukes of the Houses of Oldenburg and of Holstein-Gottorp

House of Oldenburg (1580–1713) Portrait Reign Name 1559–1588 Frederick II (Frederik 2.) 1588–1648 Christian IV (Christian 4.) 1648–1670 Frederick III (Frederik 3.) 1670–1699 Christian V (Christian 5.) 1699–1730 Frederick IV (Frederik 4.) In 1713 Frederick IV united all of Schleswig/Sønderjylland in one hand.

House of Schleswig-Holstein-Gottorp (after 1580) Portrait Reign Name 1544–1586 Adolf 1586–1587 Frederick II 1587–1590 Philip 1590–1616 John Adolf 1616–1659 Frederick III 1659–1694 Christian Albert 1694–1702 Frederick IV 1702–1713 Charles Frederick In 1713 Frederick IV, being as King of Denmark also the liege lord of Schleswig, deposed Charles Frederick as co-ruling Duke of Schleswig. Frederick IV of Denmark and Norway continued as the sole Duke of Schleswig.

House of Oldenburg (1713–1863)

Portrait	Reign	Name
	1699–1730	Frederick IV (Frederik 4.)
	1730–1746	Christian VI (Christian 6.)
	1746–1766	Frederick V (Frederik 5.)
	1766–1808	Christian VII (Christian 7.)
	1808–1839	Frederick VI (Frederik 6.)
	1839–1848	Christian VIII (Christian 8.)
	1848–1863	Frederick VII (Frederik 7.)

House of Schleswig-Holstein-Sonderburg-Glücksburg (1863–1865)

Portrait	Reign	Name
	1863–1864/65	Christian IX of Denmark rivalled by duke Frederick VIII, Duke of Schleswig-Holstein
In 1864, following the Second Schleswig War, the Duchy of Schleswig became an occupied territory of the German Confederation and two years later, following the Austro-Prussian War, part of the new Prussian Province of Schleswig-Holstein.

See also

• List of Danish monarchs
• List of rulers of Schleswig-Holstein

Notes

1. Esben Albrectsen, "Das Abel-Geschlecht und die Schauenburger als Herzöge von Schleswig", Marion Hartwig and Frauke Witte (trls.), in: Die Fürsten des Landes: Herzöge und Grafen von Schleswig, Holstein und Lauenburg [De slevigske hertuger; German], Carsten Porskrog Rasmussen (ed.) on behalf of the Gesellschaft für Schleswig-Holsteinische Geschichte, Neumünster: Wachholtz, 2008, pp. 52–71, here p. 52. ISBN 978-3-529-02606-5
2. Esben Albrectsen, "Das Abel-Geschlecht und die Schauenburger als Herzöge von Schleswig", Marion Hartwig and Frauke Witte (trls.), in: Die Fürsten des Landes: Herzöge und Grafen von Schleswig, Holstein und Lauenburg [De slevigske hertuger; German], Carsten Porskrog Rasmussen (ed.) on behalf of the Gesellschaft für Schleswig-Holsteinische Geschichte, Neumünster: Wachholtz, 2008, pp. 52–71, here p. 71. ISBN 978-3-529-02606-5