List of rulers of Schleswig-Holstein

Last updated January 17, 2024

The following is a list of rulers (usually dukes) who ruled both Schleswig and Holstein, starting from the first Holstein count who received Schleswig, until both territories were annexed by the Kingdom of Prussia in 1866; and afterwards, titular dukes.

The Houses of Schauenburg and Estridsen

In the course of history, the County of Holstein was several times partitioned among the inheriting sons into up to six lines. In 1386 King Oluf II of Denmark and his mother-regent, Queen Margaret I, enfeoffed in Nyborg Gerhard VI, Count of Holstein-Rendsborg and his cognatic successors with the Duchy of Schleswig, which had been in the royal family's hands until 1375.^[1] He was as Gerhard II duke of Schleswig. Until 1390 the Rendsborg branch united by inheritance all branches except of that of Holstein-Pinneberg. It remaining a separately ruled territory in Holstein until its line was extinct in 1640, when Holstein-Pinneberg was merged into the then Duchy of Holstein. Furthermore, the here mentioned rulers of course only reigned Holstein and Schleswig in their respective territorial composition of the time, thus without states and territories only merged later in what became today's State of Schleswig-Holstein, such as Ditmarsh, conquered and annexed in 1559, Saxe-Lauenburg merged in 1876, Heligoland (British rule 1807–1891), Free and Hanseatic City of Lübeck, Region of Lübeck, together with some Hamburgian exclaves in 1937. In turn much of the current westerly, northerly and easterly suburbs within Greater Hamburg were ceded from Holstein on 1 April 1937 (Cf. Greater Hamburg Act). North Schleswig had merged into Denmark in 1920. Some Lauenburgian and Mecklenburgian municipalities were exchanged by the Barber Lyashchenko Agreement in 1945.

The House of Oldenburg

In 1460, Schleswig fell to the Danish royal House of Oldenburg, in the person of Christian I, who inherited not only the Duchy, a Danish fief, but also the County of Holstein-Rendsburg, a Saxe-Lauenburgian subfief within the Holy Roman Empire, following the death of his maternal uncle Adolf I (and VIII as Count of Holstein-Rendsburg). In 1474, Lauenburg's liege lord Emperor Frederick III elevated Christian as Count of Holstein-Rendsburg to Duke of Holstein, thus becoming an immediate imperial vassal (see imperial immediacy). The smaller Holstein-Pinneberg remained a county further ruled by the House of Schauenburg. In 1544, after Christian III's brothers reached majority, they partitioned the Duchies of Holstein (a fief of the Holy Roman Empire) and of Schleswig (a Danish fief) in an unusual way, following negotiations between the brothers and the Estates of the Realm of the duchies, which opposed a factual partition. They determined their youngest brother Frederick for a career as Lutheran administrator of an ecclesiastical state within the Holy Roman Empire.^[2]

So the revenues of the duchies were divided in three equal shares by assigning the revenues of particular areas and landed estates to each of the elder brothers, while other general revenues, such as taxes from towns and customs dues, were levied together but then shared among the brothers. The estates, whose revenues were assigned to the parties, made Holstein and Schleswig look like patchwork rags, technically inhibiting the emergence of separate new duchies, as intended by the estates of the duchies. The secular rule in the fiscally divided duchies thus became a condominium of the parties. As dukes of Holstein and Schleswig, the rulers of both houses bore the formal title of "Duke of Schleswig, Holstein, Dithmarschen and Stormarn".

The dynastic name Holstein-Gottorp comes as convenient usage from the technically more correct Duke of Schleswig and Holstein at Gottorp. Adolf, the third son of Duke and King Frederick I and the second youngest half-brother of King Christian III, founded the dynastic branch called House of Holstein-Gottorp, which is a cadet branch of the then royal Danish House of Oldenburg. The Danish monarchs and the Dukes of Holstein-Gottorp listed below ruled both duchies together as to general government, however, collected their revenues in their separate estates. John II the Elder conveniently called Duke of Schleswig-Holstein-Haderslev produced no issue, so no branch emerged from his side.

Similar to the above-mentioned agreement Christian III's youngest son John the Younger gained for him and his heirs a share in Holstein's and Schleswig's revenues in 1564, comprising a third of the royal share, thus a ninth of Holstein and Schleswig as to the fiscal point of view. John the Younger and his heirs, however, had no share in the condominial rule, they were only titular partitioned-off dukes.

The share of John II the Elder, who died in 1580, was halved between Adolf and Frederick II, thus increasing again the royal share by a fiscal sixth of Holstein and Schleswig.^[3] As an effect the complicated fiscal division of both separate duchies, Holstein and Schleswig, with shares of each party scattered in both duchies, provided them with a condominial government binding both together, partially superseding their legally different affiliation as Holy Roman and Danish fiefs.

Ruler	Born	Reign	Death	Part	Consort	Notes
Christian I (Christian 1.)	February 1426	1460-1481	21 May 1481	Schleswig	Dorothea of Brandenburg 28 October 1449 Copenhagen five children	First ruler of Schleswig, which was inherited from Holstein-Rendsburg. Also King of Denmark and of the Kalmar Union.
John I (Hans)	2 February 1455	1481-1513	20 February 1513	Schleswig	Christina of Saxony 6 September 1478 Copenhagen five children	Ruled jointly in Schleswig, John and Frederick, brothers, ruled together, and after the death of John, Frederick, kept the co-rulership with his nephew, Christian II. In 1523 the latter was deposed in both Denmark and Schleswig. They were also in succession Kings of Denmark: John 1481–1513, Christian 1513–23, Frederick 1523–33. John and Christian were also Kings of the Kalmar Union.
Frederick I (Frederik 1.)	7 October 1471	1490-1533	20 February 1533	Schleswig	Anna of Brandenburg 10 April 1502 Stendal two children Sophie of Pomerania 9 October 1518 Kiel six children
Christian II the Tyrant (Christian 2.)	February 1426	1513-1523	21 May 1481	Schleswig	Isabella of Austria 12 August 1515 Copenhagen six children
Christian III (Christian 3.)	12 August 1503	1533-1544	1 January 1559	Schleswig	Dorothea of Saxe-Lauenburg 29 October 1525 Lauenburg five children	Christian was also King of Denmark. In 1544 divided Schleswig with his half-brothers. John received Schleswig-Holstein-Haderslev, and Adolph Schleswig-Holstein-Gottorp.
Christian III (Christian 3.)	12 August 1503	1544-1559	1 January 1559	Schleswig-Schleswig
John II the Elder	21 June 1521	1544-1580	1 October 1580	Schleswig-Holstein-Haderslev	Unmarried
Adolph	25 January 1526	1544-1586	1 October 1586	Schleswig-Holstein-Gottorp	Christine of Hesse 17 December 1564 Schleswig ten children
Haderslev divided between Schleswig and Gottorp
Frederick II (Frederik 2.)	1 July 1534	1559-1588	4 April 1588	Schleswig-Schleswig	Sophie of Mecklenburg-Güstrow 20 July 1572 Copenhagen eight children	Also King of Denmark.
Frederick III	21 April 1568	1586-1587	15 June 1587	Schleswig-Holstein-Gottorp	Unmarried	Died without descendants. He was succeeded by his brother.
Philip	10 August 1570	1587-1590	18 October 1590	Schleswig-Holstein-Gottorp	Unmarried	Died without descendants. He was succeeded by his brother.
Christian IV (Christian 4.)	12 April 1577	1588-1648	28 February 1648	Schleswig-Schleswig	Anne Catherine of Brandenburg 27 November 1597 Haderslev seven children Kirsten Munk 31 December 1615 Copenhagen (morganatic) twelve children	Also King of Denmark.
John Adolph	27 February 1575	1590-1616	31 March 1616	Schleswig-Holstein-Gottorp	Augusta of Denmark 30 August 1596 Copenhagen eight children
Frederick IV	22 December 1597	1616-1659	10 August 1659	Schleswig-Holstein-Gottorp	Marie Elisabeth of Saxony 21 February 1630 Dresden sixteen children
Frederick V (Frederik 3.)	18 March 1609	1648-1670	9 February 1670	Schleswig-Schleswig	Sophie Amalie of Brunswick-Lüneburg 1 October 1643 Glücksburg eight children	Also King of Denmark as Frederick III.
Christian Albert	3 February 1641	1659-1695	6 January 1695	Schleswig-Holstein-Gottorp	Frederica Amalia of Denmark 24 October 1667 Glücksburg four children
Christian V (Christian 5.)	15 April 1646	1670-1699	25 August 1699	Schleswig-Schleswig	Charlotte Amalie of Hesse-Kassel 25 June 1667 Nykøbing Falster eight children	Also King of Denmark.
Frederick VI	18 October 1671	1695-1702	19 July 1702	Schleswig-Holstein-Gottorp	Hedvig Sophia of Sweden 12 May 1698 Karlberg one child
Frederick VII (Frederik 4.)	11 October 1671	1699-1730	12 October 1730	Schleswig-Schleswig (until 1713) Schleswig (after 1713)	Louise of Mecklenburg-Güstrow 5 December 1695 Copenhagen five children Elisabeth Helene von Vieregg 26 September 1703 (morganatic and bigamous) one child Anne Sophie Reventlow 4 April 1721 Copenhagen three children	Also King of Denmark as Frederick IV. In 1713 reunited Schleswig.
Charles Frederick	30 April 1700	1702-1739	18 June 1739	Schleswig-Holstein-Gottorp (until 1713) Holstein-Gottorp (after 1713)	Anna Petrovna of Russia 21 May 1725 St Petersburg one child
Christian VI (Christian 6.)	30 November 1699	1730-1746	6 August 1746	Schleswig	Sophie Magdalene of Brandenburg-Kulmbach 7 August 1721 Pretzsch three children	Also King of Denmark.
Charles Peter Ulrich	21 February 1728	1739-1762	17 July 1762	Holstein-Gottorp	Sophie Augusta of Anhalt-Zerbst 21 August 1745 St Petersburg one child	He later ascended as Peter III of Russia.
Frederick VIII (Frederik 5.)	31 March 1723	1746-1766	14 January 1766	Schleswig	Louise of Great Britain 11 December 1743 Altona five children Juliana Maria of Brunswick-Wolfenbüttel 8 July 1752 Hillerød one son	Also King of Denmark as Frederick V.
Paul I	1 October 1754	1762-1773	23 March 1801	Holstein-Gottorp	Wilhelmina Louisa of Hesse-Darmstadt 20 September 1773 St Petersburg no children Sophie Dorothea of Württemberg 7 October 1776 St Petersburg ten children	He later succeeded his mother, Catherine the Great, Empress of Russia.
Gottorp reunited with Schleswig
Christian VII (Christian 7.)	29 January 1749	1766-1773	13 March 1808	Schleswig	Caroline Matilda of Great Britain 8 November 1766 Copenhagen two children	Also King of Denmark. In 1773 reunited Schleswig and Holstein.
Christian VII (Christian 7.)	29 January 1749	1773-1808	13 March 1808	Schleswig and Holstein
Frederick IX (Frederik 6.)	28 January 1768	1808-1839	8 December 1839	Schleswig and Holstein	Marie Sophie of Hesse-Kassel 31 July 1790 Schleswig eight children	Also King of Denmark as Frederick VI.
Christian VIII (Christian 8.)	18 September 1786	1839-1848	20 January 1848	Schleswig and Holstein	Charlotte Frederica of Mecklenburg-Schwerin 21 June 1806 Ludwigslust two children Caroline Amalie of Schleswig-Holstein-Sonderburg-Augustenburg 22 May 1815 Augustenborg no children	Also King of Denmark.
Frederick X (Frederik 7.)	6 October 1808	1848-1863	15 November 1863	Schleswig and Holstein	Vilhelmine Marie of Denmark 1 November 1828 Copenhagen (annulled 1837) no children Caroline Mariane of Mecklenburg-Strelitz 10 June 1841 Neustrelitz (annulled 1846) no children Louise Rasmussen 7 August 1850 Hillerød (morganatic) no children	Also King of Denmark as Frederick VII.
Christian IX (Christian 9.)	8 April 1818	1863-1864	29 January 1906	Schleswig and Holstein	Louise of Hesse-Kassel 26 May 1842 Copenhagen six children	He was from the Schleswig-Holstein-Sonderburg-Glücksburg branch of the Oldenburgs. Also King of Denmark. In 1864 the duchy was annexed to the Austrian Empire and the Kingdom of Prussia.

In 1864, following the Second Schleswig War, the Duchies of Schleswig and Holstein were ceded by the Danish King and were ruled in a joint condominium by Austria and Prussia. Following the defeat of Austria in the Austro-Prussian War in 1866, they were annexed by Prussia and were formed into the new Prussian Province of Schleswig-Holstein, part of Germany since 1870.

Notes

↑ 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 pp. 63seq. ISBN 978-3-529-02606-5
↑ In 1551, Frederick became administrator of the Prince-Bishopric of Hildesheim, comprising ecclesiastical and secular power, and, however, lacking secular power Bishop of Schleswig with the pertaining revenues from episcopal estates.
↑ Cf. Carsten Porskrog Rasmussen, "Die dänischen Könige als Herzöge von Schleswig und Holstein", Frauke Witte and Marion Hartwig (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. 73–109, here pp. 87seq. ISBN 978-3-529-02606-5

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[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 pp. 63seq. ISBN 978-3-529-02606-5

[2] In 1551, Frederick became administrator of the Prince-Bishopric of Hildesheim, comprising ecclesiastical and secular power, and, however, lacking secular power Bishop of Schleswig with the pertaining revenues from episcopal estates.

[3] Cf. Carsten Porskrog Rasmussen, "Die dänischen Könige als Herzöge von Schleswig und Holstein", Frauke Witte and Marion Hartwig (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. 73–109, here pp. 87seq. ISBN 978-3-529-02606-5

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[2]

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List of rulers of Schleswig-Holstein

Contents

The Houses of Schauenburg and Estridsen

The House of Oldenburg

See also

Notes

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