 He dismissed each of the prior theories in turn as insufficiently grounded and incompatible given the historical record, and further argued that many of the proposed solutions would have meant that later documented marriages would have fallen within the prohibited degree of kinship, yet there is no record the issue of consanguinity was ever raised with regard to these marriages.He argued that the documentary testimony of Agatha's origins is tainted or late, and concurred with Humphreys' evaluation that the names of the children and grandchildren of Agatha, so central to prior reevaluations, may have had non-family origins (for example, Pope Alexander II, having played a critical role in the marriage of Malcolm and Margaret, may have inspired their use of that name).However, he then focused in on the name of Agatha as being critical to determining her origin.