Duke of Halland
Wikimedia list article

This lists those feudal magnates (counts, dukes, and other sort of princes) who have held Halland (Hallandia) as fief, or its southern or northern part, as a substantive title.
Earl in Halland
Charles Eriksen, maternal grandson of Canute IV of Denmark, son of Eric, Earl of Falster
Count of Halland
Knud Valdemarsen, joint king of Denmark from 1170, prince of Halland 1177–1182
Niels I, Count of Halland, 1218 (died the same year), bastard son of Valdemar II of Denmark
Count of Northern Halland
Duke Skule of Norway, fiefholder of Northern Halland 1228–1240
Niels II, Count of Northern Halland 1241–1251
Jacob Nielsen, Count of Halland (northern) 1283–1305
Duke Erik Magnusson, fiefholder of North Halland (seat in Varberg castle) 1310–1318
Duke of Northern Halland
Ingeborg of Norway, Duchess of North Halland 1312–1341 as Erik Magnusson's consort and widow
Magnus Eriksson, fiefholder of North Halland in 1318, king 1319 of Sweden and Norway, and overlord of all of Terra Scania from 1332
Duke of Southern Halland
Erik Knudsen, illegitimate grandson of Valdemar II of Denmark, Duke of Southern Halland 1284–1304
Christopher, brother of Eric VI of Denmark, Duke of Southern Halland 1307–1326
Canute Porse, second consort of Duchess Ingeborg (above), Duke of South Halland 1327–1330
Duke of Halland
Ingeborg of Norway, Duchess now of all of Halland 1327–1341 as consort and widow (for South Halland's part) of Canute
Canute Porse Jr., Duke of Halland 1330–1350 holding the title simultaneously with his mother Ingeborg (above) and brother Hacon (below)
Haakon Porse, Duke of Halland 1330–1350 holding the title simultaneously with his mother Ingeborg and brother Canute (above)
Ingeborg of Norway (above), Duchess of Halland 1341–1353 in her own right
Bengt Algotsson, Duke of Halland and Finland c. 1353 – 1357
Titular dukes and duchesses
The title of duke was revived in Sweden in 1772, after which members of the royal family have been granted titular duchies named after Sweden's historical provinces.
Prince Bertil, Duke of Halland 1912–1997
Princess Lilian, Duchess of Halland 1976–2013, prince Bertil's consort and widow
Prince Julian, Duke of Halland 2021–present
Coat of arms
The first known coat of arms of Halland consisted of a crowned heraldic leopard over 10 hearts and was used by Niels II and James I and most likely also by Niels I although no examples are preserved from the latter's reign. The colours of this first symbol are uncertain. In 1305, James used a seal showing a lion and 20 hearts. Knud Porse used his family's arms depicting three red sea leaves in a gold shield. One of the seals used by Duchess Ingeborg of Sweden, Halland, and Samsø represents Halland by an arms party per fess, with an unspecified colour in chief and a leopard in the larger lower base. This seal dates from 1336, and the figure was repeated in her seal used 1340–1352. A fresco in Søborg Castle, Denmark, dates from her stay there 1331–36 and shows the arms of Halland as a crowned upstanding silver lion on blue. This insignia Azure, a lion rampant Argent crowned Argent is closely related to the current arms of the province although the current lion is no longer crowned but has two tails.
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