http://gallica.bnf.fr/ark:/12148/bpt6k6296410s.image.r=Fortescu.f238.hlhttps://www.geneanet.org/archives/ouvrages/?action=detail&livre_id=50870&page=246&book_type=livre&name=Fortescu&with_variantes=0&tk=4386d43e39fed62c