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mac Siorna Genealogy and mac Siorna Family History Information

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  • Oilioll Olchaoin, High King of Ireland (c.-1150 - c.-1013)
    Ailill (Olioll) Oalchláen Father Siorna Saoghalach King of Ireland (-1030bc) Misc. Notes Part III, Chapter IV of Irish Pedigrees, by John O'Hart, published 1892, pages 351-9, 664-8 and 7...

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