Reign Edgar claimed the kingship in early 1095, following the murder of his half-brother Duncan II in late 1094 by Máel Petair of Mearns, a supporter of Edgar's uncle Donald III. His older brother Edmund sided with Donald, presumably in return for an appanage and acknowledgement as the heir of the aged and son-less Donald.Oram, pp. 44–45.
reign edgar claimed the kingship in early 1095 following the murder of his half-brother duncan ii in late 1094 by máel petair of mearns a supporter of edgar's uncle donald iii his older brother edmund sided with donald presumably in return for an appanage and acknowledgement as the heir of the aged and son-less donaldoram pp 44–45