Fernán was the son of Pedro González de Lara and Urraca I de Castilla. The date and place of his birth have not been found.
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Pedro González de Lara |
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Urraca I de Castilla |
Alphonse VI de Castilla |
Ferdinand I de Castilla |
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Sancha Alfonso de León |
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Constance de Bourgogne |
Robert I Capet |
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Hélie de Semur |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | seigneur de Mendívil et de Martioda |