Julius Wernher

On 12 June 1888, he married socialite Alice Sedgwick Mankiewicz (1862 – 30 November 1945), nicknamed "Birdie", whom he described as "bright-eyed, fair-haired, small, intelligent and musical". She was the daughter of Jacob "James" Mankiewicz (1830–1879) from Danzig, the son of Joel Mankiewicz, a Polish Jewish merchant. Her mother was Ada Susan Pigott from Colchester, who had a brother who was a general. Birdie and her mother lived in part of a big mid-Victorian house in Bayswater, at 15a Pembridge Square.

They had three sons:

Sir Derrick Julius Wernher, 2nd Baronet (7 June 1889 – 6 March 1948), married Theodora Anna Romanoff, daughter of Nikita Romanoff (from an exiled Russian noble family – not related to the Imperial House of Romanov—whose members were in charge of the enterprise Sibirsky telegraf, "The Siberian Telegraph", in 1861), on 14 December 1922.

Anna Alexandra Wernher (14 May 1924 – May 2010)

Major-General Sir Harold Augustus Wernher, 3rd Baronet (16 January 1893 – 30 June 1973), married Countess Anastasia de Torby (9 September 1892 – 7 December 1977), eldest child of Grand Duke Michael Mikhailovich of Russia and his morganatic wife, Sophie of Merenberg, Countess de Torby, daughter of Prince Nikolaus Wilhelm of Nassau and his morganatic wife, Russian noblewoman Natalia Pushkina.

Captain George Michael Alexander Wernher (Edinburgh, Scotland, 22 August 1918 – Béja, Tunisia, 4 December 1942), killed in action during the North Africa Campaign, aged 24, while serving with 17th/21st Lancers Royal Armoured Corps. He is buried at Medjez-el-Bab War Cemetery at Béja in Tunisia.

Georgina Wernher (17 October 1919 – 28 April 2011), married London 10 October 1944 Lt.-Col. Harold Pedro Joseph Phillips (1909–1980), son of Colonel Joseph Harold John Phillips. Remarried London December 1992 Lt.-Col. Sir George Arnold Ford Kennard, 3rd Bt., son of Sir Coleridge Arthur Fitzroy Kennard, 1st Bt., and Dorothy Katherine Barclay. She had five children from her first marriage.

Myra Alice Wernher, CVO (18 March 1925 – 29 July 2022), married 5 November 1946 Major Sir David Henry Butter, son of Colonel Charles Adrian James Butter. They had five children, including Georgina Butter, goddaughter and bridesmaid to Princess Alexandra of Kent.

Second Lieutenant Alexander Pigott Wernher (18 January 1897 – 10 September 1916), killed in action at the Battle of Delville Wood, aged 19, while serving with Prince of Wales's Coy., 1st Bn. Welsh Guards. He is buried in the Citadel New Military Cemetery at Fricourt.

The Wernher Mausoleum is in the Churchyard of Holy Trinity, East Hyde.

Alice, Lady Wernher, the widow of Sir Julius, remarried on 25 September 1919 to Henry Lopes, 2nd Baron Ludlow (30 September 1865 – 8 November 1922). Upon her remarriage, she became known as Lady Ludlow.