Sancho was the son of Aznar Aiz de Marsan but his mother is unknown. The date and place of his birth have not been found.
He died after 1025. The place is not known.
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Sancho Aner de Marsan |
Aznar Aiz de Marsan |
Sancho Sánchez de Gascogne |
Sancho III (IV) Garcés de Vascoña |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Death | AFT 1025 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | vicomte de Maremne |
Note 1
According to Jaurgain, Sancho was the son of Aznar Aiz but he cites no primary source which confirms that this is correct