Wagner, Anthony, Pedigree and Progress, Essays in the Genealogical Interpretation of History, London, Philmore, 1975. Rutgers Alex CS4.W33. Information from this source tagged as [Ref: Wagner PedigreeProgress #[0-9]*].
Sources for birth and parent Information
father:
[Ref: Wagner PedigreeProgress #38]
Research Notes:
ancestor of the Bagratid Kings of Georgia, lines traceable to present day
[Ref: Wagner PedigreeProgress #38]