Walter was the son of Margaret of Huntingdon and William FitzPartick Hertburn. His dates of birth and death are not known. Nothing is known of his live and he probably died as a child.
Family tree for William showing:
parents
siblings 
Published May 20, 2020 @ 3:35 pm – Updated –
Harvard Reference for this page:
Heather Y Wheeler. (2020). Walter de Washington fl 1182. Available: https://www.treesofblue.com/walter-de-washington-fl-1182. Last accessed November 30th, 2023