Edgar's claims had the support of his brothers Alexander and David - Ethelred was Abbot of Dunkeld, and Edmund was divided from his siblings by his support of Donald - and his uncle Edgar Ætheling as these witnessed the charter at Durham [REF].
Although Geoffrey Gaimar claimed that Edgar owed feudal service to William Rufus, it is clear from Rufus's agreement to pay Edgar 40 or 60 shillings a day maintenance when in attendance at the English court that this was less than accurate.