Nielsen Hayden genealogy
William I Bertram
![Male](img/tng_male.gif)
Generation: 1
Generation: 3
1. William I Bertram was born in of Mitford, Morpeth, Northumberland, England (son of Richard Bertram and Sigel de Mitford); died after 26 Dec 1135. Family/Spouse: Hawise de Balliol. [Group Sheet] [Family Chart]
Children:- Richard I Bertram was born in of Bothal Demesne, Morpeth, Northumberland, England; died in 1177.
- Roger Bertram was born in of Mitford, Morpeth, Northumberland, England; died before 29 Sep 1177.
2. Richard Bertram was born in of Mitford Castle, Morpeth, Northumberland, England. Richard married Sigel de Mitford. [Group Sheet] [Family Chart]
3. Sigel de Mitford (daughter of John de Mitford). Children:
- 1. William I Bertram was born in of Mitford, Morpeth, Northumberland, England; died after 26 Dec 1135.
Generation: 3
6. John de Mitford was born in of Mitford Castle, Morpeth, Northumberland, England. Children: