Nielsen Hayden genealogy
Ancestors of Gunhild Burislawsdatter
│ ┌── Gorm the Old, King of Denmark (Abt 875 - Abt 958)
│ ┌── Harald Bluetooth, King of Denmark and Norway (Abt 910 - Abt 986)
│ │ └── Thyra ( - Abt 935)
│ │
└── Tyre Haraldsdatter ( - 18 Sep 1000)
└── Gunhild