Family
 Siward of Northumbria, Earl of Northumbria 1)Died 1055 1) Notes: Siward is not the son of a bear ("Beorn"), or an unrelated royal Beorn. These are late ahistorical creations to provide royal ancestry. Married 2) to: Child: | |||
Aelfflaed of Bamburgh
Sources
1) Source: Prospography of Anglo Saxon England "Siweard 11 (Male) - Earl of Northumbria, d. 1055". External Linkhttps://pase.ac.uk/jsp/DisplayPerson.jsp?personKey=18276 (Data from secondary evidence)
2) Source: Prospography of Anglo Saxon England "Ælfflæd 24 (Female) - Daughter of Ealdred 52, wife of Siweard 11". External Link
https://pase.ac.uk/jsp/DisplayPerson.jsp?personKey=-20079&pr6=1#pr6
3) Source: Prospography of Anglo Saxon England "Ealdred 52 (Male) - Earl of Northumbria, son of Uchtred 2 and Ecgfritha 1, d. 1038". External Link
https://pase.ac.uk/jsp/DisplayPerson.jsp?personKey=-20077&pr5=1#pr5 (Data from secondary evidence)
4) Source: The Ecclesiastical History of England and Normandy: Volume III "He [David] married the daughter of Earl Waltheof, and Judith the king's cousin, and possessed the two counties of Northampton and Huntingdon, which Simon de Senlis held as earl in her right. She bore him a son, named Henry, and two daughters, Clarice and Hodierna" (Data from secondary evidence)
5) Source: The Ecclesiastical History of England and Normandy: Volume III "Ralph De Conches crossed over the sea after his father's death, and received a gracious reception from the king, who confirmed him in his father's English honours and estates. He married Adeliza, the daughter of Earl Waltheof and Judith, the king's cousin, who bore him Roger and Hugh, besides several daughters" (Data from secondary evidence)
6) Source: Prospography of Anglo Saxon England "Waltheof 2 (Male) - Earl of Northumbria, d. 1076". External Link
https://pase.ac.uk/jsp/DisplayPerson.jsp?personKey=18109 (Data from secondary evidence)