Waltheof was the son of Gospatric of Northumbria. His dates of birth and death are not known. He married a lady by the name of Sigrid. They are known to have had two sons and one daughter.
Family tree for Gospatric, son of Gospatric showing:
parents
siblings 
partner 
children 
Published May 2, 2020 @ 12:55 pm – Updated –
Harvard Reference for this page:
Heather Y Wheeler. (2020). Waltheof of Allerdale fl 1124. Available: https://www.treesofblue.com/waltheof-of-allerdale-fl-1124. Last accessed November 18th, 2023