John was the son of Robert Bertram but his mother is unknown. The date and place of his birth have not been found.
His wife was Agnes de Emmely. They were married, but the date and place have not been found. They had no known children.
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Robert Bertram |
Roger Bertram |
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Alice de Gobion |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | baron of Mitford |