While further researching this profile, I contacted one of the so called experts on this person. All his citations come down to two only, regarding Ada's death date. In one he is requoting another genealogist. In the second, I will have to search for the document, because he has no copy of it.
No explanations offered for many historic documents and heraldry in direct conflicts with his theories.
So: case far from closed. Very interesting indeed.
