Duke of Schleswig

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

First jarls/dukes

Houses of Estridsen and Schauenburg (1080-1460)

Ruler		Born	Reign	Death	House	Consort	Notes
Olaf I Hunger		c.1050	1080-1095	18 August 1095	Estridsen	Ingegerd of Norway c.1070 one child	Jarl (earl) of Jutland, since 1086 king of Denmark.
Eric I of Denmark		c.1050	1095-1103	10 July 1103	Estridsen Part of Denmark	Boedil Thurgotsdatter before 1086 one child	Duke-King of Schleswig-Denmark.
Nicholas I of Denmark		c.1065	1103-1120	25 June 1134	Estridsen Part of Denmark	Margaret Fredkulla c.1105 two children Ulvhild Håkansdotter 1130 no children	Duke-King of Schleswig-Denmark.
Canute I Lavard		12 March 1096	1120-1131	7 June 1131	Estridsen	Ingeborg of Kiev 1116 four children	Titled dux Daciae[1] (i.e. Duke of Denmark)
Magnus I		c.1106	1131-1134	4 June 1134	Estridsen	Richeza of Poland c.1127 two children	Also King of Sweden
Eric II of Denmark		c.1090	1103-1120	18 September 1137	Estridsen Part of Denmark	Malmfred of Kiev c.1130 no children	Duke-King of Schleswig-Denmark.
Eric III of Denmark		c.1120	1120-1146	27 August 1146	Estridsen Part of Denmark	Lutgard of Salzwedel c.1144 no children	Duke-King of Schleswig-Denmark.
Sweyn III of Denmark		c.1125	1146-1152	23 October 1157	Estridsen Part of Denmark	Adela of Meissen c.1152 two children	Duke-King of Schleswig-Denmark.
Canute V of Denmark		c.1129		9 August 1157		Helena of Sweden c.1156 no children	Duke-King of Schleswig-Denmark.
Valdemar I of Denmark		14 January 1131		12 May 1182		Sophia of Minsk c.1144 Viborg Cathedral eight children	Duke-King of Schleswig-Denmark.
Valdemar I		14 January 1131	1152-1154	12 May 1182	Estridsen	Sophia of Minsk c.1144 Viborg Cathedral eight children	Between 1152-1154, titled dux Daciae[2] (i.e. Duke of Denmark), also king of Denmark.
Sweyn III of Denmark		c.1125	1154-1157	23 October 1157	Estridsen Part of Denmark	Adela of Meissen c.1152 two children	Duke-King of Schleswig-Denmark.
Canute V of Denmark		c.1129		9 August 1157		Helena of Sweden c.1156 no children	Duke-King of Schleswig-Denmark.
Valdemar I of Denmark		14 January 1131	1154-1170	12 May 1182		Sophia of Minsk c.1144 Viborg Cathedral eight children	Duke-King of Schleswig-Denmark.
Christopher I		1150	1170-1173	1173	Estridsen	Sophia of Minsk c.1144 Viborg Cathedral eight children	Between 1152-1154, titled dux Iuciae[3] (i.e. Duke of Jutland).
Valdemar I of Denmark		14 January 1131	1173-1182	12 May 1182	Estridsen Part of Denmark	Sophia of Minsk c.1144 Viborg Cathedral eight children	Duke-King of Schleswig-Denmark.
Canute VI of Denmark		c.1163	1182-1183	12 November 1202	Estridsen Part of Denmark	Gertrude of Bavaria February 1177 Lund Cathedral no children	Duke-King of Schleswig-Denmark.
Valdemar II the Victorius		9 May or 28 June 1170	1183-1216	28 March 1241	Estridsen	Dagmar of Bohemia 1205 one son Berengaria of Portugal 1214 four children	titled dux slesvicensis[4] (i.e. Sleswickian duke), represented by the regent Bishop Valdemar Knudsen (1182–1193), Valdemar II became Danish king in 1202.
Valdemar (III) the Young		c.1209	1209-1216	28 November 1231	Estridsen	Eleanor of Portugal 24 June 1229 Ribe Cathedral one child	Minor duke as co-duke of Valdemar II.
Eric (I) Ploughpenny		c.1216	1216-1232	9 August 1250	Estridsen	Jutta of Saxony 17 November 1239 six children	Minor duke as co-duke of Valdemar II.
Abel		c.1218	1232-1252	29 June 1252	Estridsen	Matilda of Holstein 25 April 1237 Schleswig Cathedral four children	Also king of Denmark from 1250.
Christopher I of Denmark		c.1219	1252-1254	29 May 1259	Estridsen Part of Denmark	Margaret Sambiria 1248 five children	Duke-King of Schleswig-Denmark.
Valdemar III		c.1238	1254-1257	c.1257	Estridsen	Unmarried
Eric I		c.1242	1257-1272	27 May 1272	Estridsen	Margaret of Rugia 1259 or 1260 three children
Margaret Sambiria (regent)		c.1219	1272-1282	29 May 1259	Estridsen Part of Denmark	Christopher I of Denmark 1248 five children	Regent of Schleswig-Denmark.
Eric V of Denmark		c.1249	1282-1283	22 November 1286	Estridsen Part of Denmark	Agnes of Brandenburg 11 November 1273 Schleswig Cathedral seven children	Duke-King of Schleswig-Denmark.
Valdemar IV		c.1265	1283-1312	26 March or 7 July 1312	Estridsen	Elisabeth of Saxe-Lauenburg 1287 one child
Eric II		c.1290	1312-1325	12 March 1325	Estridsen	Adelaide of Holstein-Rendsburg 1313 two children
Gerhard III, Count of Holstein-Rendsburg (regent)		1292	1325-1326	1 April 1340	In the name of the House of Estridsen	Sophia of Werle 1315 four children	Regent in name of his nephew, Valdemar V, placed him on Denmark in 1326 and ruled Schleswig himself.
Valdemar V		c.1314		c.1364	Estridsen	Richardis of Schwerin c.1329? two children	Under regency of his uncle, in 1326 became king of Denmark.
Gerhard I the Great		1292	1325-1330	1 April 1340	Schauenburg	Sophia of Werle 1315 four children	Regent in name of his nephew, Valdemar V, placed him on Denmark in 1326 and ruled Schleswig himself.
Valdemar V		c.1314	1330-1364	c.1364	Estridsen	Richardis of Schwerin c.1329? two children
Henry I		c.1342	1364-1375	August 1375	Estridsen	Kunigunde no children
Nicholas I		1321	1375-1386	8 May 1397	Schauenburg	Elisabeth of Brunswick-Lüneburg 1354 one child	Joint rule with his brother. In 1386 abicated for his nephew Gerhard. Also count of Holstein-Rendsburg.
Henry II of Iron		1317	1375-1384	1384	Schauenburg	Matilda of Lippe one child Ingeborg of Mecklenburg-Schwerin before 1374 four children	Joint rule with his brother. Also count of Holstein-Rendsburg.
Gerhard II		1367	1384-1404	5 August 1404	Schauenburg	Catherine Elisabeth of Brunswick-Lüneburg 1390 six children	Also count of Holstein-Rendsburg.
Catherine Elisabeth of Brunswick-Lüneburg (regent)		1385	1404-1413	After 1423	Schauenburg	Gerhard II 1390 six children	Respectively mother and uncle, took the regency in name of Henry III.
Henry III, Count of Schauenburg-Holstein (regent)		c.1372		February 1421		Unmarried
Henry III		1397	1413-1427	28 May 1427	Schauenburg	Unmarried	Died without descendants. Passed the land to his brothers.
Adolphus I		1401	1427-1459	4 December 1459	Schauenburg	Matilda before 1433 no children Margareta of Mansfeld 1433 no children	He was the mightiest vassal of Danish crown at his time. Gained royal Danish recognition in 1440. After his death his patrimony is annexed by Denmark.
Gerhard III		1404	1427-1433	24 July 1433	Schauenburg	Agnes of Baden 2 June 1432 Baden ten children	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) Further information: House of Oldenburg 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 Further information: 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) Further information: House of Holstein-Gottorp 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) Further information: House of Oldenburg 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) Further information: House of Holstein-Gottorp 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. ↑ "Albrectsen 2008 p. 52"
3. ↑ "Albrectsen 2008 p. 52"
4. ↑ "Albrectsen 2008 p. 52"