Nielsen Hayden genealogy
Descendants of Waltheof
- Aft 994Father: Oswulf (of Bamburgh, Northumberland, England - Between 953 and 963)
Waltheof ( - Aft 994)
   └─ Uchtred (Abt 970 - 1016)
    Ecgfrida (m. Aft 995)
    :   └─ Ealdred of Bernicia (of Bamburgh, Northumberland, England - 1038)
    :   
    :        + Siward (of Denmark - 1055 York, Yorkshire, England)
    Ælfgifu (m. Abt 1014)
       └─ Ealdgyth of Northumbria
        Maldred (Abt 1009 - 1045 Dunbar, East Lothian, Scotland)
           ├─ Gospatric of Dunbar (Abt 1040 - Between 1073 and 1075) =>
           │ +
           └─ Maldred (Abt 1045 - Aft 1084 Winlaton Manor, Tyne & Wear, England) =>
            +