The closing days of Flan of the Shannon were embittered and darkened by the unnatural rebellion of his sons, Connor and Donogh, and his successor, Nial, surnamed _Black-Knee_ (_Glundubh_), the husband of his daughter, Gormley. These children were by his second marriage with Gormley, daughter of that son of Conaing, whose name has already appeared in connection with the plundered sepulchres upon the Boyne. At the age of three score and upwards Flan is frequently obliged to protect by recourse to arms his mensal lands in Meath—their favourite point of attack—or to defend some faithful adherent whom these unnatural Princes sought to oppress. The daughter of Flan, thus wedded to a husband in arms against her father, seems to have been as little dutiful as his sons. We have elegiac stanzas by her on the death of two of her husbands and of one of her sons, but none on the death of her father: although this form of tribute to the departed, by those skilled in such compositions, seems to have been as usual as the ordinary prayers for the dead. At length, in the 37th year of his reign, and the 68th of his age, King Flan was at the end of his sorrows. As became the prevailing character of his life, he died peacefully, in a religious house at Kyneigh, in Kildare, on the 8th of June, in the year 916, of the common era. The Bards praise his "fine shape" and "august mien," as well as his "pleasant and hospitable" private habits. Like all the kings of his race he seems to have been brave enough: but he was no lover of war for war's-sake, and the only great engagement in his long reign was brought on by enemies who left him no option but to fight. His munificence rebuilt the Cathedral of Clonmacnoise, with the co-operation of Colman, the Abbot, the year after the battle of Ballaghmoon (908); for which age, it was the largest and finest stone Church in Ireland. His charity and chivalry both revolted at the cruel excesses of war, and when the head of Cormac of Cashel was presented to him after his victory, he rebuked those who rejoiced over his rival's fall, kissed reverently the lips of the dead, and ordered the relics to be delivered, as Cormac had himself willed it, to the Church of Castledermot, for Christian burial. These traits of character, not less than his family afflictions, and the generally peaceful tenor of his long life, have endeared to many the memory of Flan of the Shannon. CHAPTER IV. KINGS OF THE TENTH CENTURY; NIAL IV.; DONOGH II.; CONGAL III.; DONALD IV.