Nielsen Hayden genealogy
Ancestors of Roger Bertram
- Bef 1177 ┌── Richard Bertram (of Mitford Castle, Morpeth, Northumberland, England - ??)
┌── William I Bertram (of Mitford, Morpeth, Northumberland, England - Aft 26 Dec 1135)
│ │ ┌── John de Mitford (of Mitford Castle, Morpeth, Northumberland, England - ??)
│ └── Sigel de Mitford
│
Roger Bertram (of Mitford, Morpeth, Northumberland, England - Bef 29 Sep 1177)
│
│ ┌── Guy de Balliol