| 1. | Rufino Monasterio Madariaga was born about 1901 in Arrieta, Bizkaia. Family/Spouse: Maria Uriarte Bilbao. [Group Sheet] [Family Chart]
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| 2. | Benigna Monasterio Uriarte |
| 3. | Eugenia Monasterio Uriarte Family/Spouse: Eskolo Ugalde. [Group Sheet] [Family Chart]
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| 4. | Victoriano Monasterio Uriarte |
| 5. | Maria Carmen Monasterio Uriarte |
| 6. | Juan Monasterio Uriarte |
| 7. | Felisa Monasterio Uriarte |
| 8. | Jesus Mari Monasterio Uriarte |
| 9. | Jesus Mari Ugalde Monasterio |
| 10. | Aitor Ugalde Monasterio |