Nielsen Hayden genealogy
Ancestors of Swein Forkbeard, King of England and Denmark
Abt 960 - 1014 (~ 54 years) ┌── Gorm the Old, King of Denmark (Abt 875 - Abt 958)
┌── Harald Bluetooth, King of Denmark and Norway (Abt 910 - Abt 986)
│ └── Thyra ( - Abt 935)
│
Swein Forkbeard, King of England and Denmark (Abt 960 - 3 Feb 1014 Gainsborough, Lincolnshire, England)
└── Gunhild