Sancha was the daughter of Diego López y Navarra but her mother is unknown. The date and place of her birth have not been found.
Her husband was Lope Sanchez de Álava. They were married, but the date and place have not been found. Their five known children were Íñigo López (?-?), Gonçalo López (?-?), Lope López (?-?), Sancho López (?-?) and Urraca López (?-?).
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García III Sánchez de Navarra |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | señora de Frias y Mendoza |
| Association | Relationship |
|---|---|
| Diego I (III) López de Haro (señor de Vizcaya, Alava, Najera y Haro) | father? |
| María Sánchez | mother? |