Arias was the son of Hermenegildo III Mendez Gutiérrez de Celanova and Hermesinde Gatónez de León. The date and place of his birth have not been found.
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Hermenegildo III Mendez Gutiérrez de Celanova |
Gutierre Hermegildes de Coimbra |
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Elvira Anzurez |
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Hermesinde Gatónez de León |
Gaton Ramírez del Bierzo |
Ramiro I Bermúdez de León |
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Hermenegildo II de Coimbra |
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