Jacob Nielsen (died about 1309), a great grandson of

Valdemar II of Denmark Valdemar (28 June 1170 – 28 March 1241), later remembered as Valdemar the Victorious (), was the King of Denmark (being Valdemar II) from 1202 until his death in 1241. Background He was the second son of King Valdemar I of Denmark and Sophi ...

, was

count Count (feminine: countess) is a historical title of nobility in certain European countries, varying in relative status, generally of middling rank in the hierarchy of nobility. Pine, L. G. ''Titles: How the King Became His Majesty''. New York: ...

of Northern

Halland Halland () is one of the traditional provinces of Sweden (''landskap''), on the western coast of Götaland, southern Sweden. It borders Västergötland, Småland, Scania and the sea of Kattegat. Until 1645 and the Second Treaty of Brömseb ...

. His father ( Niels Nielsen) and grandfather ( Niels Valdemarsen) had both held Halland as a county before him. Jacob received Halland in 1283, but switched allegiance to the King of Norway two years later and was declared an outlaw in 1287 after the murder of

Eric V of Denmark Eric V Klipping (1249 – 22 November 1286) was King of Denmark from 1259 to 1286. After his father Christopher I died, his mother Margaret Sambiria ruled Denmark in his name until 1266, proving to be a competent regent. Between 1261 and 1262, ...

. In Halland, he built the fortresses of Hunehals and later

Varberg Fortress Varberg () is a locality and the seat of Varberg Municipality, Halland County, Sweden, with 35,782 inhabitants in 2019. Varberg and all of Halland are well known for their "typical west coast" sandy beaches. In Varberg the coast changes from ...

. Jacob's position weakened after the Norwegian king started to lose interest in the conflict with Denmark, and in 1305, he had to give up Halland to

Haakon V of Norway Haakon V Magnusson (10 April 1270 – 8 May 1319) ( non, Hákon Magnússon; no, Håkon Magnusson, label= Modern Norwegian) was king of Norway from 1299 until 1319. Biography Haakon was the younger surviving son of Magnus the Lawmender, Ki ...

. Haakon granted it to his own son-in-law, the Swedish duke Erik Magnusson.

Bibliography

Kr stianErslev, "Jacob, Greve af Nørrehalland", Dansk biografisk leksikon, VIII. Bind. Holst - Juul, 1894, p 336 f. 13th-century births 14th-century deaths Danish nobility House of Estridsen Halland Regicides 13th-century Danish people 14th-century Danish people {{Europe-noble-stub