Geoffrey Plantagenet
The cited information was sourced from Book, edition 2nd of 1, published in
United States of America in 2011 edited by Kimball G. Everingham ISBN 9781449966317 (Ref: 1. / Pg. 1-5) The author/originator was Douglas Richardson. This citation is considered to be direct and primary evidence used, or by dominance of the evidence.
Royal Ancestry Series.