Count Sigmund Széchényi 
Child of Count Sigmund Széchényi and Stella Crowther
- Count Peter Széchényi+ b. 1939, d. 1 Nov 2017
Stella Crowther
Her married name became Széchényi.
Child of Stella Crowther and Count Sigmund Széchényi
- Count Peter Széchényi+ b. 1939, d. 1 Nov 2017
Margit Hertelendy1
Her married name became Széchényi.
- [S1186] Eszter Birck-Wilson, “re: Esterhazy Family,” e-mail message to British and European Nobility Register, 3 October 2004. Hereinafter cited as “re: Esterhazy Family.”
Count Peter Széchényi 
Child of Count Peter Széchényi and Maureen Logut
- Count Robert Széchényi+2 b. 1978
Maureen Logut1
Child of Maureen Logut and Count Peter Széchényi
- Count Robert Széchényi+1 b. 1978
Count Robert Széchényi1
He was educated before 1996 at Harrow School, Harrow, London, EnglandG.1 He was educated in 2001 at University of Newcastle, Newcastle-upon-Tyne, Northumberland, EnglandG.1
Children of Count Robert Széchényi and Lucy Hodgkinson
- Isabella Nancy Széchényi2 b. 24 Oct 2012
- Edward Stoner Széchényi2 b. 7 May 2014
- Alicia May Széchényi2 b. 12 Jul 2016
- [S1186] Eszter Birck-Wilson, “re: Esterhazy Family,” e-mail message to British and European Nobility Register, 3 October 2004. Hereinafter cited as “re: Esterhazy Family.”
- [S1743] Robert Szechenyi, “re: Szechenyi Family,” e-mail message to BENR, 25 May 2006. Hereinafter cited as “re: Szechenyi Family.”
Count Antal Széchényi 
Charlotte Gräfin Szechenyi de Sarvar et Felsövidek 
Charlotte Gräfin Szechenyi de Sarvar et Felsövidek also went by the nick-name of Sarolta. Her married name became Esterhazy von Galantha.
Children of Charlotte Gräfin Szechenyi de Sarvar et Felsövidek and Count Ladislaus Esterhazy von Galantha
- Countess Helene Esterhazy von Galantha b. 17 May 1921, d. 2 Aug 2019
- Countess Maria Emerika Esterhazy von Galantha+ b. 1922
- Count Bela Esterhazy von Galantha+ b. 1926
Count Ladislaus Esterhazy von Galantha1 
Children of Count Ladislaus Esterhazy von Galantha and Charlotte Gräfin Szechenyi de Sarvar et Felsövidek
- Countess Helene Esterhazy von Galantha b. 17 May 1921, d. 2 Aug 2019
- Countess Maria Emerika Esterhazy von Galantha+ b. 1922
- Count Bela Esterhazy von Galantha+ b. 1926
- [S1186] Eszter Birck-Wilson, “re: Esterhazy Family,” e-mail message to British and European Nobility Register, 3 October 2004. Hereinafter cited as “re: Esterhazy Family.”
Count Bela Esterhazy von Galantha
Child of Count Bela Esterhazy von Galantha and Countess Ilona Teleki de Szek