English
Family: John Alexander, (4th Marquess of Bath) Thynne / Frances Isabella Catherine Vesey, (maid. name Marchioness of Bath) (F4097)
m. 20 Aug 1861-
Male
John Alexander, (4th Marquess of Bath) Thynne
Birth 1 Mar 1831 Westminster, London, England 
Death 20 Apr 1896 Italy Burial Marriage 20 Aug 1861 London, Middlesex, England Father Henry Frederick Thynne (maid. name 3rd Marquess of Bath) | F3731 Group Sheet Mother Harriet Baring | F3731 Group Sheet
Female
Frances Isabella Catherine Vesey, (maid. name Marchioness of Bath)
Birth 26 May 1840 St George Hanover Square, London, England Death 31 October 1915 Marylebone, London, England Burial Father Mother
Male
+ Thomas Henry, (5th Marquess of Bath) Thynne
Birth 15 Jul 1862 St James, Westminster, London, England Death 9 Jun 1946 Warminster, Wiltshire, England Burial Spouse Violet Caroline Mordaunt | F4099 Marriage 19 Apr 1890 Martley, Worcestershire, England
Female
Alice Emma Thynne
Birth 1864 London, Middlesex, England Death 26 Jan 1942 Inverkip, Renfrewshire, Scotland Burial
Female
+ Katherine Georgiana Louisa Thynne (maid. name Countess of Cromer)
Birth 22 Jul 1865 St George's Square Hanover, London, Middlesex, England Death 4 Mar 1933 Marylebone, Middlesex, England Burial Spouse Evelyn Baring GCB OM GCMG KCSI CIE PC (maid. name 1st Earl of Cromer) | F2769 Marriage 22 Oct 1901 St. Thomas's Church, Orchard Street, Marylebone, London, England
Male
John Botteville Thynne
Birth 27 May 1867 Marylebone, London, England Death 19 May 1887 York, Yorkshire, England Burial
Female
Beatrice Thynne
Birth 27 May 1867 St George Hanover Square, London, England Death 5 Dec 1941 Ardgowan House, Inverskip, Renfrewshire, Scotland Burial
Male
Lt. Col Alexander George Boteville Thynne DSO (maid. name (Wessex yeomany))
Birth 17 February 1873 London, Middlesex, England Death 15 Sep 1918 KIA, 2nd, Battle, of, the, Somme, Picardie, France Burial Bethune, Departement du Pas-de-Calais, Nord-Pas-de-Calais, France