Nielsen Hayden genealogy
Ancestors of Robert Bertram
Aft 1157 - 1203 (< 44 years) ┌── Richard Bertram (of Mitford Castle, Morpeth, Northumberland, England - ??)
┌── William I Bertram (of Mitford, Morpeth, Northumberland, England - Aft 26 Dec 1135)
│ └── Sigel de Mitford =>
│
┌── Richard I Bertram (of Bothal Demesne, Morpeth, Northumberland, England - 1177)
│ │
│ │ ┌── Guy de Balliol
│ └── Hawise de Balliol
│
Robert Bertram (Aft 1157 of Bothal Demesne, Morpeth, Northumberland, England - 1203)
│
│ ┌── Simon Gisulph
└── Menebell Gisulph ( - Aft 1176)