University of Hull @ http://www.dcs.hull.ac.uk/cgi-bin/gedlkup/n=royal?royal05970
(Ref: http://www.dcs.hull.ac.uk/cgi-bin/gedlkup/n=royal?royal05970) The author/originator was Brian C. Tompsett. This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
University of Hull.