| 1. | Ignacio married Lucia Balanzategui Uribe in 1961 in Euskal Herria. Lucia (daughter of Jose Victoriano Balanzategui Dunabeitia and Micaela Uribe Chinchurreta) was born on 27 Jul 1932 in Mujika, Bizkaia; died on 14 Apr 2026 in Boise, Idaho. [Group Sheet] [Family Chart]
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| 2. | J. Gastanaga Family/Spouse: L. Schoorl. [Group Sheet] [Family Chart]
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| 3. | D. Gastanaga Family/Spouse: Unknown. [Group Sheet] [Family Chart]
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| 6. | M. Gastanaga |
| 7. | I. Gastanaga |