|Life||Sweyn I, Svein, Svend Tveskaeg (960s – 1014).|
King of Denmark (986–1014).
King of Norway (986-995, 1000-1014).
King of England (1013-1014).
|Family||House of Gorm.|
Father is Harald Bluetooth.
Mother is Gunhild or Tove.
Married to (1) Gunhild (?) (2) Sigrid the Haughty (?).
Children: Harald II, Cnut the Great, Estrid, Gytha, Gunnhild, Santslaue, Thyra.
|Events||Defeats his father in battle and is crowned king of Denmark (980s).|
Battle of Svold where he defeats Olaf Tryggvason (1000).
First invasion of England (1003-1004).
Second invasion of England (1006-1007).
Sends Thorkell the Tall to invade England (1009).
Third invasion of England (1013).