Laura St. George1
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Wolfe George Peter Tryon1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Countess Maria Wurmbrand-Stuppach1 
From February 1934, her married name became Ryan.1 From 1935, her married name became Pálffy.1 From 1938, her married name became Esterhazy.1 From 1944, her married name became Berchtold.1 From 1949, her married name became Davis.1 From 1954, her married name became Plesch.1
Child of Countess Maria Wurmbrand-Stuppach and Count Maria Thomas Paul Esterhazy
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Clendennin Ryan1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
unknown Ryan1
Child of unknown Ryan
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Count Pali Pálffy1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Louise de Vilmorin1
From 1938, her married name became Pálffy.1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Deering Davis1
He lived at Chicago, Illinois, U.S.A.1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Dr. Arpad Plesch1 
He was a lawyer and financier.1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Count Leopold Berchtold1

Count Leopold Berchtold held the office of Minister of Foreign Affairs [Austria-Hungary].1
Child of Count Leopold Berchtold
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.