Family: Siward Digera Bjornsson of Denmark / Ælfflæd of Northumbria (F2337)

Bjørn Úlfsson (965- )

 

Aldred of Northumbria (1009-1038)

 

Siward Digera Bjornsson of Denmark (985-1055)

Ælfflæd of Northumbria

Sibyl FitzSiward of Northumbria (1018-1070)

Waltheof Siwardsson of Huntingdon (1034-1076)