Siward of Northumbria

• Partner: Aelfflaed
  
•   Child: Osbearn
• +*Child: Waltheof of Northumbria Born: 1050 ⇒
+ Our research indicates that this child is Robert's ancestor.
* Our research indicates that this child is Janet's ancestor.

Descendants of Siward of Northumbria

• 1 Siward of Northumbria
= Aelfflaed
• 2 Osbearn
• 2 Waltheof of Northumbria
= Judith of Lens Marriage: about 1070
• 3 Maud of Northumbria ⇒
• 3 Alicia ⇒