In the tenth century the conquering Vikings sold the village, but it was restored to Rochester only to be lost again when Sweyn Forkbeard invaded and is believed to have destroyed the village's castle, of which only the motte mound remains.
Historians are divided about the strength of the evidence that she was Sweyn Forkbeard's sister.
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Gunhilde (or Gunnhild) (died 13 November 1002) is said to have been the sister of Sweyn Forkbeard, King of Denmark, and the daughter of Harald Bluetooth.
According to the chronicles of John of Wallingford, Sweyn was involved in raids against England during 1002–1005, 1006–1007, and 1009–1012, to revenge the St. Brice's Day massacre of England's Danish inhabitants in November 1002.
Monarch - Æthelred the Unready (to December 1013), Sweyn Forkbeard (to 3 February 1014), Æthelred the Unready (23 April 1016), Edmund Ironside (to 30 November 1016), Canute
In the 13th century collection of sagas, Heimskringla, Snorri Sturluson tells that Sweyn Forkbeard was captured in an attack on the Jomsvikings, and turned over to Burislav, king of Wendland.