Toirdelbach's subsequent capture of Donnchad in Dublin suggests that the latter was not only the leading Uí Chennselaig dynast,[REF] but was also in the process of using the town as the capital of Leinster [REF].
If the Annals of Inisfallen is to be believed, Toirdelbach acquired possession of Dublin when the Dubliners themselves offered him its kingship [REF].