in the year after cathal's death in 1224, aedh had to face a rebellion by donn oge mageraghty of sil muirdeag, aedh ua flaithbertaigh of maigh seola and an invasion by o neill of tir eoghain from ulster. o neill and aedh's rebellious vassals then crowned turlough mac ruaidri o conchobair king of connacht in opposition to aedh, who was supported by only a few vassals such as macdermott of moylourg and o flynn of the cuirc remaining loyal. with the help of his norman allies, aedh was eventually able to suppress the rebellion, though ""there was not a church or territory in connacht at that time that had not been plundered and desolated."" the war was made worse by ""an oppressive malady raged in the province of connacht at this time: it was a heavy burning sickness, which left the large towns desolate, without a single survivor.""