About Maoin I Oilbhuagach MacAongus (High King of Ireland)
Àengus Olmuccaid Monarch of Ireland (-1409bc)
was kept out of the Monarchy by Eadna, of the line of Heber Fionn. In his time silver shields were given as rewards for bravery to the Irish militia.
Part III, Chapter IV of Irish Pedigrees, by John O'Hart, published 1892, pages 351-9, 664-8 and 708-9.